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

Penney's Game

Penney's Game

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

Dr James Grime discusses Penney's Game - a cool probability trick to play with your friends.

Extra footage: https://youtu.be/JniOm7ZvXE8

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Stars and Bars (and bagels)

Stars and Bars (and bagels)

The Prime Problem with a One Sentence Proof

The Prime Problem with a One Sentence Proof