The 10,958 Problem - Numberphile

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  • Published on Apr 18, 2017
  • Featuring Matt Parker... Part 2 (solution) here: tvclip.biz/video/pasyruj7uwm/video.html
    More links & stuff in full description below ↓↓↓
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    Parker Square T-Shirt: bit.ly/ParkerSquareTshirt
    Inder J. Taneja papers...
    Single Digit Representations of Natural Numbers
    arxiv.org/abs/1502.03501
    Crazy Sequential Representation: Numbers from 0 to 11111 in terms of Increasing and Decreasing Orders of 1 to 9
    arxiv.org/abs/1302.1479
    Videos by Brady Haran
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  • Science & TechnologyScience & Technology

Comments • 1 937

  • \Vanux/
    \Vanux/ 17 hours ago

    alright now get out of my recommendations

  • Ugly _
    Ugly _ 18 hours ago

    wut

  • Daz G
    Daz G 20 hours ago

    Easy (-1x23)+45 + 0h Wh00 g1ves af3ck -an3 way

  • Finch
    Finch 20 hours ago

    I just get fascinated by people who know how to do big math

  • loek van hijningen
    loek van hijningen 21 hour ago

    wauw you made me smile and amaze

  • Josbert Lonnee
    Josbert Lonnee 23 hours ago

    Found another nice one! All numbers of 1 to 11111 can get represented with digits 1 to 8 using only addition, subtraction, multiplication and factorial. So, yes, including:
    10958 = 1*(2+(3*(-4+(5*6!)+(7*8))))

    • Josbert Lonnee
      Josbert Lonnee 22 hours ago

      Correction: Numbers 0 to 11111 can get represented. Division is still necessary, but only for two numbers: 9138 and 10462.

  • Chris Johnson
    Chris Johnson Day ago

    well that's 8 minutes of my life I'll never get back...

  • nuff sed
    nuff sed Day ago

    Why does numberphile write on massive pieces of paper? Why not just use standard. Yeah thats my question.

  • JohnDaWhale3
    JohnDaWhale3 Day ago +1

    Why do people think it's cool to add "phile" onto the end of their hobby or whatever...a guy from my college openly called himself a "cinephile", he said he calls himself that because he watches a lot of movies.

    This just makes you fools look like pedos...

  • Boxhawk
    Boxhawk Day ago

    TVclip recommended this to me and it happens to be exactly the commercial rent that my business pays monthly?

  • Josbert Lonnee
    Josbert Lonnee Day ago

    When just factorials are allowed, there is a simple solution:
    10958 = 1-2+3!+(4!*(5!+(6*7*8)))+9
    Then division, a fancy concatenation operator and the exponential operation are all not necessary!

    • Josbert Lonnee
      Josbert Lonnee Day ago

      Note here that concatenation is not even needed!

  • Tombro
    Tombro Day ago

    A smart Auzzy? Now that’s something

  • Camcolito
    Camcolito Day ago

    Nice to know those math grants aren't going to waste.

  • izzomctorro
    izzomctorro Day ago

    "This was a problem no one was looking for a solution for but I think I found one."

  • TheDemethar
    TheDemethar Day ago

    math geek, looks like a math geek from star trek.

  • John Juan
    John Juan Day ago

    Numbers are a trip

  • Licho Tropical
    Licho Tropical Day ago

    Hate nerds. They are so much smarter than me.

  • Cake
    Cake Day ago

    was excited to watch this, but the writing on cardboard makes me really uncomfortable for some reason :(

  • Joseph Mcleod
    Joseph Mcleod Day ago

    Do you play Cards?

  • steven steinbrink

    THATS NUMBERWANG!!!

  • Stewart Brand
    Stewart Brand Day ago

    It's obviously impressive he could memorise them all - I don't know if that's something most people could learn to memorise or not but surely his brain must be unusual with regard to not getting bored in the way most people do - going through with memorising a list of numbers that have no meaning - surely most people would find that unpleasant even if they were able to do it?

  • zpazz
    zpazz Day ago +1

    (1234 - 5) x 6 + 7 x 8 ^ √9 = 1229 x 6 + 7 x 8 x 8 x 8 = 7374 + 3584 = 10958

  • 谭锐齐
    谭锐齐 Day ago

    Stop cheating by taking 0 as first digit.

  • Adrian Brent
    Adrian Brent Day ago

    Which Craft

  • Adventures with Frodo

    This is really disappointing. But guess for some one who does not have a life.

  • Vít Ševčík
    Vít Ševčík Day ago

    "Here is a problem no one was really looking for solution for... but I think I found one"
    Yep, mathematicians in a nutshell.

  • Steve Pseudonym
    Steve Pseudonym Day ago

    Did somebody forget that zero is a digit?

  • Patricio Romero
    Patricio Romero Day ago

    he has eidetic memory?

  • Bob Wankshift
    Bob Wankshift Day ago

    That’s numberwang ....

  • *Awkward Silence*
    *Awkward Silence* Day ago +1

    It's 10:987, I should probably go to sleep.
    Eh just 8109 more combinations

  • Anne E.
    Anne E. Day ago

    There goes Sodoku

  • Nykusu
    Nykusu 2 days ago

    Whats the point of writing out these numbers in this way? Does it do something or do I need autism to understand it?

  • League of 1 vs 1
    League of 1 vs 1 2 days ago

    we might need an SAI to solve this

  • Rodney Leon
    Rodney Leon 2 days ago

    814 is the upload date backwards

  • zooblestyx
    zooblestyx 2 days ago

    This just in: Matt Parker solves Countdown! Rachael Riley goes on the dole.

  • Gabriel Naudé
    Gabriel Naudé 2 days ago

    I guess I won't be cheating on expressions anytime soon...

  • Turbo Charged
    Turbo Charged 2 days ago

    A channel by retards who think their smart, for retards who think their smart.

  • Echokammer Survivor
    Echokammer Survivor 2 days ago

    After weeks of youtube trying me to watch this video I have to wonder why.

  • chironapolonio
    chironapolonio 2 days ago

    Astonishing

  • DarkIye
    DarkIye 2 days ago

    6:25 topic of the video

  • No Jams방탄
    No Jams방탄 2 days ago

    My problem isn't the math, but memorising the cheat notes.

  • PETER ZARI
    PETER ZARI 2 days ago

    7:01 oof

  • PETER ZARI
    PETER ZARI 2 days ago

    10958 likes and what happens to TVclip

  • Ego Bluz
    Ego Bluz 2 days ago

    And how do you do with an odd number using an even digit ? (Exemple: 111 and 2 ?), actually while writing this I thought about 2^2-2, so nevermind 😅

  • Cerise Jones
    Cerise Jones 2 days ago

    Oh thats what ur doing lol...

  • ViiV Creations
    ViiV Creations 2 days ago

    I bet AI can figure it out in matter of seconds

  • Herve Keptner
    Herve Keptner 2 days ago

    Can you do a video about 1911

  • Shadownova
    Shadownova 2 days ago

    Cool, can you get out of my recommendations now?

  • Dj Griffin
    Dj Griffin 2 days ago

    not sure about numberphile but its pretty close

  • Anurag Syal
    Anurag Syal 2 days ago

    By the way, just a small correction, Inder Taneja is an Indian.

  • Brian Pacos
    Brian Pacos 2 days ago

    2:13 To be fair I'm about to stop watching regardless of what you do

  • SK3DG3
    SK3DG3 2 days ago

    Ah yes, 24 Game hardcore mode.

  • James
    James 2 days ago

    I'd have thought that Inder Taneja would be from India.
    Edit: Googled his name; he is from Delhi, but currently in Brazil.

  • Nathan Garcia
    Nathan Garcia 2 days ago

    10958 poblen

  • resomony
    resomony 2 days ago

    The point being------?

  • Pat TheHombre
    Pat TheHombre 2 days ago

    I prefer to use my fingers for maths. Forget those calculators... waste of time.
    My only problem is I have only ten fingers.

  • Evil Bert
    Evil Bert 2 days ago

    snoooooore

  • JDM Imports
    JDM Imports 2 days ago

    thats numberwang

  • Heidi Wood
    Heidi Wood 2 days ago

    Oh nvm cheat notes hahaha hadnt gotten that far

  • Heidi Wood
    Heidi Wood 2 days ago

    No please go on ALL day ibwill waaaattttccchhhh

  • Heidi Wood
    Heidi Wood 2 days ago

    Wat?!!! That 2 digit 1 digit thing omg

  • denelson83
    denelson83 2 days ago

    Did you know that you can express the golden ratio using just the digit 5?

  • hi hi
    hi hi 2 days ago

    I'm really bad at math

  • Mike1614b
    Mike1614b 2 days ago

    I figured it out! then, wouldn't you know it- my dog ate it

  • Zenyou's Apprentice
    Zenyou's Apprentice 2 days ago

    I couldn't get past the first 10 seconds of the marker on cardboard noise.

  • Reece L101
    Reece L101 2 days ago

    10,958 is just another number in the chain of numbers.
    I don't see how any number would be a problem really.

  • John Garrison
    John Garrison 2 days ago

    Memorizing everything is not a cheat....teachers spend your entire youth making you memorize. So much better if they could explain why things are, but they themselves don't know....so you have to memorize everything!

  • FLAT EARTH NOMAD
    FLAT EARTH NOMAD 2 days ago

    I did math once.
    .
    .
    .
    .
    .
    ONCE.

  • Happy Camper
    Happy Camper 2 days ago

    3:08 but it isn’t cheating if you memorize it

  • Prince Alfaro
    Prince Alfaro 2 days ago

    The 10958 is the premium version

  • Josbert Lonnee
    Josbert Lonnee 2 days ago

    With these available operations there can not only a representation be found (with ascending digits 1 to 9) for number 10958. Also these 99 numbers cannot get represented this way:
    11686;11947;11974;13723;13964;14540;14611;14612;14648;14666;14701;14702;14704;14746;14764;14798;15971;16004;16022;16034;17312;17314;17536;
    17707;17779;17780;17805;17923;17965;17971;17972;18058;18266;18536;18878;18970;19011;19029;19083;19084;19163;19165;19166;19202;19357;19427;
    19525;19588;19604;19606;19616;19642;19676;19688;19696;19698;19706;19707;19714;19715;19717;19718;19732;19768;19772;19795;19798;19811;19838;
    19843;19886;19901;19957;19994;19996;20021;20030;20074;20082;20092;20103;20104;20180;20378;20387;20389;20441;20442;20525;20578;20597;20612;
    20624;20630;20642;20644;20668;20686;20717

  • MARIN
    MARIN 2 days ago

    Every solution has got a problem related to it.

  • Lawrence Best
    Lawrence Best 2 days ago

    i don't know why but i had one look at the thumbnail and instantaneously thought of Hugh Mungus

  • Moromo Music
    Moromo Music 3 days ago

    thanks youtube for the recommendation

  • mujtaba196
    mujtaba196 3 days ago

    Ms. Pandit showed this to me.

  • Foxi!
    Foxi! 3 days ago

    the solution is 12+3+456*(7whatever is written here) -1
    there done - it's not that hard
    and not a problem at all

  • CreativityAlliance
    CreativityAlliance 3 days ago

    That's Numberwang!

  • Jason Upton
    Jason Upton 3 days ago

    How do you sleep at night?

  • Nathan O'Reilly
    Nathan O'Reilly 3 days ago

    Ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho Ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeahHo yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho yeah ho

  • Khyrid
    Khyrid 3 days ago

    Kids, you must memorize all these or you will never get a job.

  • Michael Brown
    Michael Brown 3 days ago

    What a seemingly utter waste of time. I say "seemingly" because I know odd numerical concoctions can be useful for problems not yet seen. But damn, what a horribly bored human needing to do this work! A Legend? No, just a moderately intelligent guy with absolutely nothing to do. :-)

  • furstenfeldbruck
    furstenfeldbruck 3 days ago

    Why is this garbage in my recommendation?

  • Happy John
    Happy John 3 days ago +1

    5:13 "In BRACKETS"
    9:44 PM
    2/11/2019

  • Rick Slick
    Rick Slick 3 days ago

    4×6÷8+1 = answer times 2,739.5 = 10958

  • soccerman611
    soccerman611 3 days ago

    stop recommending me this i clicked it are you HAPPY NOW

  • Sunyi Jaro
    Sunyi Jaro 3 days ago

    i cant stand the sound of your pen xD

  • Staddl
    Staddl 3 days ago

    how to do it with 999 and 2?

  • willywhonka
    willywhonka 3 days ago

    Is it numberwang?

  • thinBillyBoy
    thinBillyBoy 3 days ago +1

    You know he likes math when he calls memorization cheating, because that would mean he didn't work it out and solve it himself.

  • Chrispy Bacon
    Chrispy Bacon 3 days ago

    7

  • Chrispy Bacon
    Chrispy Bacon 3 days ago

    666

  • Tom Black
    Tom Black 3 days ago

    Does this dude have some sort of incredible memory or something?

  • uncle skeeter
    uncle skeeter 3 days ago

    I don't know anything about math, but it's universality is fascinating. What's the most compelling anomaly or irrationality or whatever it's called, that could exist with every alien intelligence?

  • Netty Voyager
    Netty Voyager 3 days ago

    math is only useful to its application and then it's not always correct :P

  • John N M
    John N M 3 days ago

    Doesn't matter.

  • FalcoGer
    FalcoGer 3 days ago

    This seems like an easy brute force problem. you have 9 digits, their order is fixed. between the digits you can have one of the following things:
    +, -, *, /, ^, (, ) or you join them into a larger number. that's 8 possibilities with some invalid ones because of mismatching brackets. There is the problem to consider multiple brackets, however the maximum that make sense is 9 consecutive brackets. that blows up ( and ) to 9 variants.
    This leaves you with 24 combinations, most of which are garbage filling 8 slots between the digits. That leaves a grand total of 8^24 = 4.72236648287 * 10^21 combinations to check.
    Considering you can almost immediately toss away mismatched brackets and an optimized approach using low amounts of brackets first only moving to more as no solution is found I'd say you can work that up pretty fast. You could consider optimizing by checking if a bracket makes sense or not (for example it doesn't make a difference in 1+2+3 or (1+2)+3), but really checking that is probably slower than just calculating the thing. I figure you can get a few billion tries per second.

  • Alice Trans Queen
    Alice Trans Queen 3 days ago +1

    Thanks Mr Sanders for making something so interesting the most boring subject in school

  • Utsav Pathak
    Utsav Pathak 3 days ago

    well TVclip, I finally saw this video. Now give me an award

  • teppolundgren
    teppolundgren 3 days ago

    That's Numberwang!

  • Pastahunter
    Pastahunter 4 days ago

    He calls it cheating... humans call it studying.