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Hello there.

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

What's special about 196?

What's special about 196?

Free audio book offer: http://www.audible.com/numberphile

Dr James Grime delves into the largely unresolved world of Lychrel Numbers?

James Grime: https://twitter.com/jamesgrime

For audio books by Numberphile stars, go to Audible and search these names; Hannah Fry, Alex Bellos, Simon Singh, Edward Frenkel --- http://www.audible.com/numberphile

Receive a Brady-signed postcard from this video: http://www.bradyharanblog.com/postcard/89

Cheryl's Birthday: https://youtu.be/emiMj8cCL5E

Numbers and Free Will

Numbers and Free Will

The 8 Queen Problem

The 8 Queen Problem