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8 months ago

Comments • 200

  • Ricky Johnson
    Ricky Johnson 4 years ago

    Hihi!! Can u create a video about the date 21.12.12? Or one about card counting because I got interested in the maths after watching 21. Hahaha. Thank you! :)

  • Inaxos Group
    Inaxos Group 4 years ago

    i've been plotting several equations/functions in a program named "Graph" and found that x^2=2^x has a weird solution. 2 and 4 ok but -0.766...???. Any explanation on how this comes up??? And i also need to find similar programs like graph, even better ones.

  • Josh Audibert
    Josh Audibert 4 years ago

    @KevinPagan, your theorem doesn't work, unless there is a plus instead of a minus between the two fractions. ((n+1)/2)+((n-1)/2) is just (n+1+n-1)/2 which is 2n/2 which is simply n.

  • musikSkool
    musikSkool 4 years ago

    Fermat's Last Theorem. What is the simplest proof?

  • Kevin Pagan
    Kevin Pagan 4 years ago

    Hey numberphile! So my calculus class and I were learning about number theory, and we made this really cool theorem, and I want to see if you guys can prove it: Every odd integer can be written as a difference of integers. If n is an odd integer, then n can be written as n=((n+1)/2)-((n-1)/2)

  • Austin Prunty
    Austin Prunty 4 years ago

    Hello, I am a huge fan and love math. I saw your video on Graham's Number and did research on it and am wondering more about Ramsey Theory. It would be awesome if you did a video on it. :D

  • Mike S
    Mike S 4 years ago

    Where's the video for Euler's Number (e)? Thought for sure there would be a god video explaining it. Anyways, really enjoy the videos, well done.

  • MrVickilatombe
    MrVickilatombe 4 years ago

    Hey! Do you know the number 142 857? It is fassinating. Multiplie it by 2, by 3... by 6 and it will have the same figures in the same order. Multiplie it by 7 and boom! Multiplie it by any other numbers and add the milions to the units and you'll have the same chain again (for example: 142 857 X 6 981 = 997 284 717 --> 997 + 284 717= 285714). Freaky mmh? Discovered by Lewis Carroll.

  • prakash mandumula
    prakash mandumula 4 years ago

    before the invention of zero, how the things are counted that are more than 9?

  • Jennifer Grove
    Jennifer Grove 4 years ago

    btw, the enneagram will be next. :-/

  • Jennifer Grove
    Jennifer Grove 4 years ago

    I was up until like 6am the other night/morning trying to figure out how to make a heptogram using a compass and straight edge. >.< Can you help? I know that you can't divide a line into thirds, but you CAN multiply. So if multiplication is used, can it be done?

  • twiddle7125
    twiddle7125 4 years ago

    Is there a way to prove/disprove that amongst other sets, the one with greatest product of its elements will always be the one with the greatest sum? Except for cases involving 0's and 1's I can't imagine otherwise but I want to know if there's a way to formally prove this. Thanks!

  • Derpy Pig
    Derpy Pig 4 years ago

    Can you make a video about approximations about pi, like 22/7 or 355/113? Thanks

  • lizziemadify
    lizziemadify 4 years ago

    Hi, how about something regarding Hilbert's hotel, or that there are infinitely more irrational numbers than rational ones?

  • John Bright
    John Bright 4 years ago

    Hey Numberphile, could you post a video explaining "Set Theory" or "Russell's Paradox"?

    DAVINDER313 4 years ago

    Why is "7" the only single digit number with two syllables?

  • TheFuniestable
    TheFuniestable 4 years ago

    please subscribe on my channel and i will subscribe to yours

  •  4 years ago

    @DaBIONACLEFan, You can't think of the biggest number (apart from infinity) because theres always a bigger number.... i.e. 10^10^10^10^10^10 is very huge, bigger than all the star in the observable galaxy, but theres a number bigger which is 10^10^10^10^10^10^10

  • Kelly Powel
    Kelly Powel 4 years ago

    Hey, that was an awesome video Check it out tubetoolboxssecrets (.)com

  • Sanulay
    Sanulay 4 years ago

    You could do a video on different finger counting systems such as finger binary, finger ternary, base 12 and the one where each hand represents a decimal digit. It's a common misconception that we can only count to ten on our fingers.

  • Oliver Hookins
    Oliver Hookins 4 years ago

    Hey Brady, still interested in seeing the full video of the TVclip watch counter technical background (i.e. 301 view video). Is this likely to be uploaded any time soon?

  • Binging_Channel
    Binging_Channel 4 years ago

    Can you say anything about Excel's random number generator? Is there a way using the graphs, formulae or anything else to show that Excel can/cannot produce random numbers?

  • tonylaps
    tonylaps 4 years ago

    Lets see the Zeno's paradox in another way, what is the smallest step just before X=2 , when X is the value of the hand clap? whe just know it is not 2, is it 2.000000001 or 1.999999999? these are still big numbers if considering the amount of minimal space to move from X=2

  • Selim
    Selim 4 years ago

    Hello, Could you make a video on the Hexadecimal system? Thanks

  • Darren357
    Darren357 4 years ago

    Yesterday was Euler's birthday. I was expecting a video about him. Hopefully how e^i(pi) =-1

  • oneMeVz
    oneMeVz 4 years ago

    I love your videos! They're helping me learn things that were never taught in school! You guys mention "imaginary numbers" and "complex numbers" quite a bit - what exactly are these numbers and how/where are they used?

  • Vincent Avila
    Vincent Avila 4 years ago

    Please drop by on my channel. Thanks

  • skyweb2go
    skyweb2go 4 years ago

    Check our videos as well.

  • Charles Criston
    Charles Criston 4 years ago

    Thanks for your videos, just what I was looking for!

  • Pierre Li
    Pierre Li 4 years ago

    Could you make a video about harshad numbers please ? ^^ Just a suggestion... Btw, loved the video about Zeno's paradox.

  • Alan Douglas
    Alan Douglas 4 years ago

    I understand you guys are busy teaching maths but I am a huge fan and would absolutely love it if you could tell me why the military uses 6400 miliradians to a circle and how they get this number the term comes from a radian (6.2830 to a circle - well, there a bouts)

  • Del Gardner
    Del Gardner 4 years ago

    Your unbelievable!!

  • Orlando Tax
    Orlando Tax 4 years ago

    Your videos are amazing. You explained it well.

  • Bobby Santiago
    Bobby Santiago 4 years ago

    I am not surprise why you have lots of subscriber. Great video man.

  • DanielHigginz
    DanielHigginz 4 years ago

    Please stop either recording or exporting in an interlaced video format. If 720p is: 1280x720 = 921,600pixels, than interlacing is half that being 460,800pixels. Standard Definition (SD) is: 720x576 = 414,720. So you're only exactly 10% above SD which is likely unnoticeable.

  • pk tutorials
    pk tutorials 4 years ago

    numberphile is cool

  • Luis Diaz
    Luis Diaz 4 years ago

    You are a good teacher :)

  • guest1754
    guest1754 4 years ago

    Can you please talk about algebraic structures, spinors, manifolds and all that abstract stuff that's closely related to symmetry in physics? Would be fun to know your point of view about these things...

  • Stephen Hill
    Stephen Hill 4 years ago

    Can you do tutorial for logarithm? Thanks!

  • mechwurm
    mechwurm 4 years ago

    You should do a video on epic math fails in history

  • jeremy miller
    jeremy miller 4 years ago

    Can you do a video on the antikythera mechanism?

  • Abhiram Haritas
    Abhiram Haritas 4 years ago

    Hey Brady! Greetings from India! I really like your style of videos and unique way of having different channels for different subjects :) But, please can u make one on Computer Science? It is something that, just like any other science, has a large appetite for curiosity!

  • Blake Watson
    Blake Watson 4 years ago


  • TheNandato
    TheNandato 4 years ago

    False, outdated information on the Frane grading system, pointless wasting of pies... Numberphile, please do not relinquish quality just to output videos.

  • Charles2531
    Charles2531 4 years ago

    Exactly 128 videos. Or, 2^7.

  • downtownclownfrown
    downtownclownfrown 4 years ago

    I love your videos but why are they so quiet? I can barely hear them in a silent room with my computer volume turned up all the way.

  • Stefan Lehmann
    Stefan Lehmann 5 years ago

    Can you talk about the Monty Hall problem? it's solution awesomely unintuitive

  • Julie Davis
    Julie Davis 5 years ago

    [iminent typed]Je dirais que du mal de toi, t'est pas écolo![/typed]

  • UnDefinedLegacy
    UnDefinedLegacy 5 years ago

    Would you do a video on Roman numeral usage in mathematics considering how Europeans did math before the introduction of Hindu-Arabic numerals?

  • margariins
    margariins 5 years ago

    Keep up the good work enriching youtube with stuff actually worth watching! If you are ever out of topics (as low as the probability may be) there's always cellular automata (The Game of Life).

  • William Yu
    William Yu 5 years ago

    Can you make a video about the probability that a specific phone number is in the digits of pi?

  • americanfellow
    americanfellow 5 years ago

    i'm subbing you too. takes a lot to make my brain scintillate so i'm also faving you on my channel's "other channels you might enjoy" section

  • Adam Duncanson
    Adam Duncanson 5 years ago

    Have you done any videos about Euler's formula? And if not, why not? It contain the 5 most unique number there are (not that i need to tell you guys) and explaining it would make a cool video.

  • Sanulay
    Sanulay 5 years ago

    Could you do a video about number systems with weird bases like pi, negative numbers and fractions?

  • Michael Nelson
    Michael Nelson 5 years ago

    I'm a huge fan of numberphile. Can you get a video explaining the golden ration thoroughly? I wish I could understand this high level math.

  • Cre8tvMG
    Cre8tvMG 5 years ago

    I've really enjoyed your videos. I think they're some of the clearest explanations on the web, and very entertaining too. Can you please do a video introduction to imaginary numbers for a numerically challenged music major like me? I love your other videos - I'm fascinated with math and physics, but some things like i blow out my cerebral cortex.

  • TinyFoxTom
    TinyFoxTom 5 years ago

    Say you have a function f(x,n). When n equals 0, f returns 1. When n equals 1, f returns x. F(x,2) = x^x, f(x,3) = x^x^x, f(x,4) = x^x^x^x, and so on. N represents the number of times x is written into the power tower. Now consider the gamma function. It is a generalization of the factorial function to the complex number plane, so you can have the factorial of a decimal. If f(x,n) generalizes the concept of a power tower to non-integer numbers, how would it be defined in order to determine numbers like f(x,2.5)?

  • capacamaru
    capacamaru 5 years ago

    Why are there 360 degrees?

  • caramelman008
    caramelman008 5 years ago

    Would if be possible for you folks to make a video about Proth Primes? Thanks.

  • Austin Henderson
    Austin Henderson 5 years ago

    I wanted to know if there is actually a parallel universe of us

  • Abel Z
    Abel Z 5 years ago

    Solving the rubik's cube while juggling: watch?v=zAIPL5O9Uwk

  • motoast
    motoast 5 years ago

    How about a video on how i^i a real number (and how how i relates to pi and e).

  • Dewight Johnson
    Dewight Johnson 5 years ago

    How are words like electrons?

  • JoseGoneBerserk
    JoseGoneBerserk 5 years ago

    HI! ... do you have a video about e?? if not, please do one :) love your channel!

  • Dan Hunt
    Dan Hunt 5 years ago

    Hey guys, love the channel! So, I was sitting in a math seminar the other day, and we started discussing something to do with limits (don't remember quite what) and one of the students made a claim that 0.9 repeating is actually equivalent to one. The professor dismissed it, saying that it approaches one, but never reaches it, a viewpoint that I agreed with. The next week the professor came in and took back his opinion, saying that the two were in fact equal, giving the argument that 3 * (1/3) = 0.9 repeating = 1. I am not satisfied by this explanation, so I was wondering if you guys could do a proof or disproof in a video. Thanks!

  • Stefan
    Stefan 5 years ago


  • RostislavLuk
    RostislavLuk 5 years ago

    Do a 23 enigma!!!

  • n1cxz
    n1cxz 5 years ago

    Hi Brady and James, James said during the Q&A that his doctorate and expertise was in group theory or math symmetries. This reminded me of a Andrew Wiles proof for Fermat's theorem: a^n + b^n = c^n iff n=2. Wiles said he found the shape of a doughnut to be a super symmetrical shape in disguise that helped him prove Fermat's theorem. If viewers would find this interesting, I would love it if James would expand on this in a video. best reguards, - Nix

  • Bruce Allen
    Bruce Allen 5 years ago

    Love your channel Brady! I've learned so much cool stuff from Numberphile! Is there any chance that you guys could teach us Americans about the Metric System?

  • AJ1T1995
    AJ1T1995 5 years ago

    hi im new could i get a subscribe plz thanks

  • jeremy miller
    jeremy miller 5 years ago

    Can you do a video on the planck length and why we should thank the fractions for making our day to day math easier?


    Master yoda brought me here

  • 007bistromath
    007bistromath 5 years ago

    I feel weird posting again so quickly, but I've noticed something pretty interesting. There's a guy who posted some time yesterday, Donald King. He's a bit odd, seems to be tying together different scientific fields with some numerological stuff that he claims is a spiritual revelation of some sort. However, what seems to have him in such a twist is something that's actually kind of neat about primes. They seem to really like being in base 7. They line up like rockettes and their digits are much less messy than with base 10. Of course, I'm just some guy with a handmade excel spreadsheet. I don't know if this pattern continues with primes big enough that the pros would get excited about them. Google isn't telling me whether anything has been done with this or not, but since 7 is tiny and prime, somebody's had to have, right?

  • jeremy miller
    jeremy miller 5 years ago

    You should make a list for the the googol, googolplex, graham's number, the newest mersene prime, infinity and all the other big numbers you cover on numberphile.

  • 007bistromath
    007bistromath 5 years ago

    I watched three of these recently: penrose tiles, platonic solids, and the soccer ball. And now I've got tessellation stuck in my head, without the knowledge or talent to fully explore it, and Google keeps pointing me in odd directions. I wonder if you could do a video similar to the one for Penrose Tilings, but talking about polyhedrons; which ones can do it, whether there is any interesting knowledge about filing in gaps, etc. Also for polygons on a curved surface, like a ball. Another idea I've had is that you could do a video about mathematical cranks and/or historical mistakes. Every discipline attracts cranks, but mathematics seems to get loads of them. Because the beauty of math is intricate simplicity, it often even happens that something wrong will still be in some way interesting. I think a video (or three) about wrong-math might be fun to watch.

  • paulceltics
    paulceltics 5 years ago

    there is a great channel about numbers and all sorts of stuff as well called investary. that is the channel username as well

  • Donald King
    Donald King 5 years ago

    I like your channel. Your most recent post regarding prime numbers is cool. I have something that will interest you greatly. On my channel, I recorded a video called "Universal Math". In this video, I demonstrate how prime numbers actually spell out structural building block logic (DNA sequencing). I also demonstrate how they're meant to be arranged (Stanislaw Ulam was incorrect), and I guarantee that this logic is irrefutable (*if you watch the video to the end, you will understand why). I think you should check it out. And if you do, and you're up for it, I would like to dialog about it with you. Cheers man.

  • Trevor Geene
    Trevor Geene 5 years ago

    You should make Numberphile T-Shirts.

  • Cono Garcia
    Cono Garcia 5 years ago

    Do you have a video about e^(i*pi)? That would be interesting to understand..

  • Michael
    Michael 5 years ago

    Numberphile, Is it weird that I have some sort of preference for even numbers? I mean like when I am changing the volume on my computer or TV or whatever, I tend to keep the volume in even numbers when possible.

  • surrealnumber
    surrealnumber 5 years ago

    can you do a video on primes in other base number systems? such as base 12 where 15 (base 10's 17) is a prime? or is it? well if you professors find this observation to be true, you can make an extra credit question on an exam "when is 15 a prime number?"

  • Clint Patac
    Clint Patac 5 years ago

    I have a question, maybe you've answered it already, just point me to it, but my question is why are numbers base 10? Like after every 10 the pattern repeats, Why not base 8 then repeat or base 14 then repeat etc.. Discuss the number 10? Thanks..

  • Mad Dam
    Mad Dam 5 years ago

    I have a question. Is there a way of doing exponents fast? For example: adding is fast counting multiplication is fast adding But is there a way to write 5^5 faster? like 5 with a 2 in a circle or 5^5^5 as a 5 with a 3 in a circle? If so are there even higher levels like 5 with a 5 in a circle can be 5 in a triangle or something.

  • lolera222
    lolera222 5 years ago

    You guys should do a vid. on the imaginary numbers or the complex ones (as far as i know, they are separate things like this [numbers[complex[imaginary[real] i ] c ] n ])

  • Alexander Christgau
    Alexander Christgau 5 years ago

    Hey numberphile! i have a quick question. Could you answer what is 3^3^3? so google says its 3^27 while excel says its 27^3.

  • luqman khan
    luqman khan 5 years ago

    im a huge fan from germany ....i mostly watch your videos cauz all of ou guys are realy congenial

  • jeremy miller
    jeremy miller 5 years ago

    Can Philippa Gregory make an appearance on your channel?

  • ProjectFairTrade
    ProjectFairTrade 5 years ago

    Largest known prime number found by amateurs!!

  • mujoman726
    mujoman726 5 years ago

    Hi, I found this channel through the Periodic Table of videos and really enjoy the content! How about doing a video on the Four color theorem? Where on a map, you only ever need no more than 4 colors to ensure no 2 adjacent sides share the same color? Keep up the good work! Thanks!

  • Eliza G
    Eliza G 5 years ago

    You have 327,222 subs...hang on like a second ago there was 327,221 subs...strange maybe you get 1 sub per second! Freggin epic!

  • Dan Adamowicz
    Dan Adamowicz 5 years ago

    I don't know if anyone else noticed, but they have made exactly enough video entries to push their episode on 11.11.11 all the way to spot 111. Fun stuff.

  • Corrupted Bytes
    Corrupted Bytes 5 years ago

    These videos are very interesting. Thank you for putting them together Brady, and thank you to all of your guests.

  • Tin Xu
    Tin Xu 5 years ago

    Hi Numberphile. Just wondering will there be any videos regarding to day-counting coming up? I really hope you guys will make one. I am one of those who unfortunately have problems with counting days between two dates and get rent payment date wrong (I pay every fortnight) hence I hope I can find an answer on Numberphile. Thank you.

  • Bradley Grant
    Bradley Grant 5 years ago

    I've been watching numberphile for a while now. what bugs me is not that I have my calculator open on EVERY video. It's that I still have yet to open it before I start a video. I know i'm going to use it, so why wait.

  • paw101
    paw101 5 years ago

    So, over the past week I've sat and watched (and liked!) every video on the numberphile page. What have I learned? THERE NEEDS TO BE MORE VIDEOS AS THEY'RE AWESOME!! =D

  • ExpectoMerlin
    ExpectoMerlin 5 years ago

    can u guys do one on 5138008

  • Kevin Crawford
    Kevin Crawford 5 years ago

    like like like thank you!

  • vgoj
    vgoj 5 years ago

    how about a video about the lottery?

  • Darryl Mayle
    Darryl Mayle 5 years ago

    Hello, I love the videos! :) Could you make a video explaining how this sum works as it is extremely fasinating: 111,111,111 x 111,111,111 = 12,345,678,987,654,321 Thank you!! :D

  • Raiko H.
    Raiko H. 5 years ago

    please make a vid about the cardano's method :D

  •  5 years ago

    Quick question, do you notice anything special about my username?

  • The Malloys
    The Malloys 5 years ago

    Did you ever get to post the TVclip views interview?

  • vorpalthefox
    vorpalthefox 5 years ago

    you guys should talk about 2,147,483,647, the highest number in a 32-bit system

  • matijahhh
    matijahhh 5 years ago

    Hi. You got very cool videos. I wanted to ask can you make a video about golden section. I think it would be an interesting theme.

  • Blueastrosailor
    Blueastrosailor 5 years ago

    Hi, you guys are amazing! I wish learning the maths I need to pass my a-level's was taught in such a fun and easy to understand way

  • Spacejunk
    Spacejunk 5 years ago

    do e

  • TheMinecrafterBoyz
    TheMinecrafterBoyz 5 years ago

    300 000 subs

  • TechnoBambino
    TechnoBambino 5 years ago

    Hello there. I love your videos, they contain some of the most entertaining and interesting ideas in mathematics! I was wondering if you could possibly do an episode on easy ways to work out small maths problems that we could use day to day without having to work it out traditionally. Or perhaps show different ways in which other regions on earth work out problems, that is different to the western way of thinking. A good example of this is how the Japanese are taught to multiply various sizes of numbers using lines. It's sometimes referred to as the 'Verdic Method'. Anything like this would be interesting to watch and I think others will appreciate it to. Again thank you and keep up the good work!

  • Sven Hollstein
    Sven Hollstein 5 years ago

    Hi, I was wondering if you could cover quaternions some time. They're numbers with a real component and THREE imaginary components (r, i, j, k) that are often used to represent a rotation in three dimensional space. I've used them here and there but the specifics always baffled me, I never really understood what was actually going on with these numbers. Some sort of abstract explanation with suitable enthusiasm would be wonderful :)

  • My Universe
    My Universe 5 years ago

    Hello Numberphile, I have found your channel because I have watched some vids about prime numbers. But I have another strange question. There seems to be a strange connection between Hitler, Napoleon and the number 129, exactly the 129 years between certain comparable historical events. And I´m looking for a reasonable explanation or is it just a strange coincidence?

  • Christian Custo Blanch


  • yownina
    yownina 5 years ago

    Hi guys! I have a suggestion. Will you guys create a video explaining minutephysics' video "Adding Past Infinity (WARNING: Math Ahead)", where he explains 1+2+4+8+16+...=-1, in a more detailed way so that we can rest the debate whether or not it's true. Thanks guys. I'm glad you have the time to read this :D

  • MultiRobotnik
    MultiRobotnik 5 years ago

    I am not a Phile of numberphile

  •  5 years ago

    2,147,483,647 computer people know this

  • KevinAckeral
    KevinAckeral 5 years ago

    can you please do video about why for some coin systems, like {0.01, 0.05, 0.1, 0.25, 1, 2}, you can always make optimal change with the greedy algorithm (as many as you can fit of the biggest coin, then as many of the next, etc), but with some other coin systems you cannot? for example with {0.25, 0.1, 0.06, 0.01} and a desired change amount of 0.37, the greedy algorithm yields 0.25, 0.1, 0.01, 0.01, but a more optimal number of coins is 0.25, 0.06, 0.06. This fact is very cool to me but I've never been able to put my finger on what qualities a good set of coins should have

  • Ryan George
    Ryan George 5 years ago


  • Syzygy
    Syzygy 5 years ago

    Please please please please please please please please please oh please, as a new subscriber, I'd like to request a video about the Incompleteness and Completeness theorems (theora? theori?) by Godel and especially the whole "strange loops" concept also found in studies of the conscious brain (or so I understand). Incredibly interesting to lay people interested in science/math.

  • Taeke van der Kooi
    Taeke van der Kooi 5 years ago

    Hello Brady, could you please do a special about the "Fourier analysis". Me a chemical student interested in math and physics really want to know more about this. I know its found all over the internet but its just an interesting mathmatical usage in the practical world.

  • Taeke van der Kooi
    Taeke van der Kooi 5 years ago


  • BetaKeja
    BetaKeja 5 years ago

    I see several video on pi why not one on the exponential constant?

  • DqwertyC
    DqwertyC 5 years ago

    Not a math related question, but have you considered creating and selling numberphile t-shirts etc.?

  • bart4runescape
    bart4runescape 5 years ago


  • yownina
    yownina 5 years ago

    can you guys please make a video about why 0!=1 and not 0!=0? My teacher says that that is its definition but I am not convinced. Thanks :D

  • PheelingM
    PheelingM 5 years ago

    Hello Brady, I love your channels, particularly Numberphile and Sixty Symbols! Regarding themes for future videos, I suggest you do something on e, ln, and about Euler's identity: e to the i tau equals 1... ;)

  • Eben King
    Eben King 5 years ago

    Hi Brady. I've been a math/science geek since forever, and I love your channels. My mom is a retired math teacher and my dad used to work for NASA as a computer programmer, so I come by it naturally. I was playing the game "Robots" -- a different version was called "Daleks". In short, it's a turn-based game where evil robots always move toward you, but can only move on the 8 compass direction. If they hit each other or debris, they die and leave a debris pile. You can teleport to a random location. Can you explore the mathematics of this game? Thanks.

  • 0Jrock01
    0Jrock01 5 years ago


  • Ilan Lifshits
    Ilan Lifshits 5 years ago


  • TheMinecrafterBoyz
    TheMinecrafterBoyz 5 years ago

    Why is there 00,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15...35,and 36 in rolutte? i think having more numbers would make kasinos more money

  • TheMinecrafterBoyz
    TheMinecrafterBoyz 5 years ago

    2013 vid?

  • Adam Udelhoven
    Adam Udelhoven 5 years ago

    First line I meant to to say plausibility not pliability

  • Adam Udelhoven
    Adam Udelhoven 5 years ago

    I'm not sure if you have ever got this question but I have been wondering about the pliability of a staple technology depicted in Space stories, and that is the Air shield seen in the docking bays of big space ships like the USS Enterprise or the Dearth Star. Ok so here is my question Lets pretend you have a docking bay that is 500 ft wide 500 ft long and... 150ft high. Assuming the air in the docking bay is pressurized to 15 pounds per square inch how much wight would that force field have to hold back in order to prevent the air form escaping in to space.

  • Tristan McElroy
    Tristan McElroy 5 years ago


  • MrBestfriend421
    MrBestfriend421 5 years ago

    can you do a video on complex numbers?

  • marioandluigo1263
    marioandluigo1263 5 years ago

    can you subscribe to me i subscribed to you!

    AKPYTHON 5 years ago

    Can you please do a video on Fermat's Last Theorem.

  • matt15518
    matt15518 5 years ago


  • Tin Xu
    Tin Xu 5 years ago

    Can you guys talk about the pigeonhole's principle?

  • Aquamissile42
    Aquamissile42 5 years ago

    I'm struggling to understand how Archimedes proved that a sphere's volume is two thirds of its circumscribed cylinder, it'd be great if you did a video on that!

  • This is my last name change and i used it wisely

    here are the didgets in order lowest to highest that i know of: one, ten, hundred, thousand, million, billion, trillion, quadtrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion, and centillion

  • jeremy miller
    jeremy miller 5 years ago

    This is off topic but I'm not sure where to ask this. Can start a channel that focuses on electricity(photons, electrons, cathodes, annodes, circuits, electrochemisty, electroengineering, electromagnetic force, etc..)?

  • Matt H.
    Matt H. 5 years ago

    I saw Matt on Natural born killers on discovery channel

  • marcel helder
    marcel helder 5 years ago

    can you make a video in wich you explain the equation : e^( iπ ) + 1 = 0 that woud be great!

  • BBQRubberDuckie
    BBQRubberDuckie 5 years ago

    when will we get to see the Fibonacci video you mentioned in the sunflower video!

  • jeremy miller
    jeremy miller 5 years ago

    Can you do a video about the infinitesimal numbers? Specifically how the teaching of calculus is different using infinitesimals instead of limits.

  • FernestHall
    FernestHall 5 years ago

    I'd like to see more videos on numbers or concepts which have meaning/purpose/functionality and less about arbitrary rules (like smith numbers). Whenever a set of numbers is created by "adding the digits" (in the arbitrary decimal system) it is kinda random.

  • Nomad
    Nomad 5 years ago

    dear numberphile i believe that i have created a new theory on decimals and how they function i would be greatly appreciated it if we could arrange for us to talk about this preferably over skype

  • Roqueeee
    Roqueeee 5 years ago


  • whauk
    whauk 5 years ago

    can you make a video about the collatz conjecture?

  • Vaibhav Sharma
    Vaibhav Sharma 5 years ago

    Google doodle for numberphile today :) YAY

  •  5 years ago

    And Euler's identity too.

  •  5 years ago

    Hi! Why not a video on squaring the circle and similar geometric problems?

  • Larry Bennett
    Larry Bennett 5 years ago

    HGH will keep you young.

  • Art of the Problem
    Art of the Problem 5 years ago

    Hi Numberphile, long time viewer and fellow TVclipr. Curious if you'd like to become channel friends? Hope to hear from you! Thanks

  • Maxime De Kouchkovsky


  • Ville Roininen
    Ville Roininen 5 years ago


  • VdevoV
    VdevoV 5 years ago

    Brady, you make the best videos. I do have a request for Numberphile. It'd be great for someone to explain Euler's Identity. e^{i \pi} + 1 = 0 It boggles my mind how a natural logarithm could be put to an imaginary power and how they came up with -1 for e^{i \pi}.

  • Madamnesia
    Madamnesia 5 years ago


  • jackthefuckingblack
    jackthefuckingblack 5 years ago


  • CarLovy Musicc
    CarLovy Musicc 5 years ago


  • Stighg
    Stighg 5 years ago


  • TheNERDpower92
    TheNERDpower92 5 years ago

    Would like to see a Video about the Goat Problem, wouldn't that be something for the show?

  • Nikita Fadeev
    Nikita Fadeev 5 years ago

    prime number

  • Keybrd
    Keybrd 5 years ago


  • Aziq Fadyan
    Aziq Fadyan 5 years ago

    Hi, I just watch the video about 998001. Can you divide 1 by 998001 using the dozenal method?

  • WhyTauIsRight AndPiisWrong

    Nine more days until the apocalypse! Don't laugh at me. IT WILL HAPPEN. You will regret what you said to me.

  • Krimpie
    Krimpie 5 years ago


  • Dian
    Dian 5 years ago

    Famous Numberphile Paper

  • Ashwin Rajashekar
    Ashwin Rajashekar 5 years ago


  • Chuck Norris
    Chuck Norris 5 years ago

    Hi there, I'd enjoyed your channel, quite some interesting stuff there. Recently I was reading some papers about fast multiplication (Toom-Cook and the Schönhage Strassen algorithms) and I thought this stuff would fit perfectly here.

  • Miek Adriaens
    Miek Adriaens 5 years ago


  • Zac E
    Zac E 5 years ago

    You guys should make a video about gradians.

  • Sokshock
    Sokshock 5 years ago


  • Metaknightmare217
    Metaknightmare217 5 years ago

    Can you guys make a video about transfinite numbers?

  • Eddy
    Eddy 5 years ago


  • LoCoSt199999
    LoCoSt199999 5 years ago

    can you decrypt thisnumber please? it is my facebook password... a friend found somehow and told me that it is so can ypu PLEASE CONVERT IT TO PLAIN TEXT TO FIND OUT??? i subscribed and have watched almost all of your videos! so please do me that favour! bb5beb8a43d3285ad882cb7554130629 thank you in advance

  • jeremy miller
    jeremy miller 5 years ago

    I'd like to see videos on nonreal numbers.

  • AussieBro
    AussieBro 5 years ago

    Spelled it wrong anyways xD

  • AussieBro
    AussieBro 5 years ago

    Oh srry i ment to search that on the channel :p

  • AussieBro
    AussieBro 5 years ago


  • FifthElephant
    FifthElephant 5 years ago

    Have you guys considered doing a video on the topic of metric time? I'd bet very few people know about the concept of time on a metric scale, and why we haven't adopted it (but maybe we should?)

  • click353
    click353 5 years ago


  • shonshrinks
    shonshrinks 5 years ago

    You guys are amazing!

  • Puddycat042212
    Puddycat042212 5 years ago

    Do you make Math tutorials especially Radical and Rational expressions?

  • wowsa0
    wowsa0 5 years ago

    Apparently if a group of people organise a secret santa system where each person is assigned someone else at random to give a gift to, the total number of possible arrangements is n factorial divided by e. Might make a good Christmas video.

  • Tibby7734
    Tibby7734 5 years ago

    Any chance you guys could do a video explaining and/or commenting on the value " * "? As used in combinatorial game theory? Maybe explain how it could be less than all positive numbers, yet greater than all negative numbers and not zero? Also how * + * = 0?! I figure if anyone can explain it properly, you can!

  • Tibby7734
    Tibby7734 5 years ago


  • Fakezord
    Fakezord 5 years ago


  • Fakezord
    Fakezord 5 years ago


  • Vaibhav Sharma
    Vaibhav Sharma 5 years ago

    I have a question - 360 degrees is in a plane. But if we want to talk about a sphere, how would we represent that. For instance, a light bulb gives out light in all directions but if we say it gives out light in 360 degrees that would mean in all directions in a plane. What is the analogy of a planar 360 degrees in (3 dimensional) space?

  • Neuralizer68
    Neuralizer68 5 years ago


  • Sarkill
    Sarkill 5 years ago


  • Robert Polselli
    Robert Polselli 5 years ago


  • Mr. Zark
    Mr. Zark 5 years ago

    Hi there, I really love this channel. And there is something I've been willing to request you guys: could you make a video about maths in a base other than 10? I've always been a fan of The Hitchhiker's Guide to the Galaxy, and there is the answer to life, the universe, and everything. That answer is 42, and later on we know the real question is "How much is 4 x 9?" I obviously knew that was wrong, but then I've been told that uses base 13, not base 10. So... if you understand my request, I'd like a little explanation and trivia about other bases. Also, sorry for my english, I'm not a native speaker. Thank you very much, love your channel!

  • OverLordGoldDragon
    OverLordGoldDragon 5 years ago

    1.0x10^Googolplex Googolplex times. So that's ten to the Googolplex exponential levels, with Googolplex in each power level. I call it Hyperplex. But, is that number bigger than Googolplex Factorial? Are there Hyperplex Planck lengths in the Omniverse? Happy SolvsGiving!

    JAYACH 5 years ago

    Got a joke you might like: Q. How do you find the hypotenuse of pi? A. Cut the pi into a right angle triangle and find the hypotenuse of it! Mail me back if you like it

  • bobadillasebas
    bobadillasebas 5 years ago


  • HamboneHFY
    HamboneHFY 5 years ago

    Guys! Today is 21/11/12! There can't be all that many dates which are a palindrome, surely?

  • Twee Vue
    Twee Vue 5 years ago

    numberphile You Have A Great Video. Thanks for keep us entertained

  • florakeee
    florakeee 5 years ago


  • fastchill
    fastchill 5 years ago

    Please do an episonde on the beauty of Mandelbrot sets