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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Numbers Man

Numbers Man

Author Alex Bellos tells us how he wrote a best-selling book about numbers. Check it at: http://amzn.to/1l0yX46

He wrote Alex's Adventures in Numberland, sold in the US as Here's Looking at Euclid.

What is a lucky number?

What is a lucky number?

Sexy Primes

Sexy Primes