5, 13 and 137 are Pythagorean Primes - Numberphile

Professor Laurence Eaves on Pythagorean Primes - and why 5, 13 and 137 are three of his favourites!? Fine structure constant on sixtysymbols at http://www.youtube.com/watch?v=WlSLIW...

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  Science & Technology

[Arnold D'Souza]

Nice video. But it troubles me that the last line should be "Its square is a Pythagorean Prime" (not "Its square root" as he says).

[MaZBlade137]

I too love the number 137, it has been my favourite for a long time, just randomly (kind of). Over time I keep finding out cool things about it :D

[David Taylor]

Are there any Pythagorean Primes that can be written as the sum of two squares in more than one way?

[arduinomaster]

Happy birth day

[nnmdani]

Happy Birthday :)



[Sricharan A R]

I was born on 5th of the 13th month .. :D

[sootie2006]

24 of May here

[VWftw82]

I suddenly realized that 149 (7^2+10^2) and 181 9^2+10^2) are Pythagorean primes. Judging from that list, they seem quite common.

[10000136]

Fuck you.

[MrMoeqt]

Cool :-D