6174 - Numberphile
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Uploaded by numberphile on Dec 5, 2011
6174 is also known as Kaprekar's Constant.
This video features University of Nottingham physics professor Roger Bowley, who is also featured on our Sixty Symbols channel at http://www.youtube.com/sixtysymbols
Follow Numberphile on Facebook at http://www.facebook.com/pages/Numberphile/116862298423181
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Videos by Brady Haran
- 861 likes, 7 dislikes
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All Comments (321)
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@WayToBeADouche 2111-1112=0999, 9990-0999=8991, 9981-1899=8082, 8820-0288=8532, 8532-2358 = 6174 :)
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Do the number 2,111. It doesn't work.
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@tacoyum6 I was just thinking the exact same thing
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@starofcctv94 what's wrong with foolscap?
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@fintty1 do it with 8352 again. There you go: 6174 ;)
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@Unforgiver13 it does work :)
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wait i did forget it
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i tried it with 1234 and it did not 6174, it came out to 3087 than 8352
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@Steelernation2323 Just like you wrote 1 as 0001, write 999 as 0999. Then you get 9990-0999=8991. 9981-1899=8082. 8820-0288=8532. 8532-2358=6174.
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What if you do the number 1000
1000-0001=999, then 999 is not a 4-digit number
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Do they not have white boards in nottingham university? or white paper?
starofcctv94 1 month ago 57
@kiwirocks0001 You wrong!
1110
1110-0111=0999
9990-0999=8991
9981-1899=8082
8820-0288=8532
8532-2358=6174!
Say Wat! HAHAAHAAHAHAH
ronpel88 1 week ago 4