pi_circle.png

Hello there.

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

163 and Ramanujan Constant

163 and Ramanujan Constant

Why does Alex Clark, from the University of Leicester, have a strange fascination with 163?

Some slightly more advanced stuff in this video, including the Ramanujan Constant and its use in a "famous" April Fool's joke.

998,001 and its Mysterious Recurring Decimals

998,001 and its Mysterious Recurring Decimals

1729 and Taxi Cabs

1729 and Taxi Cabs