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

Evil Number

Evil Number

Additional information

Is there a more evil number than Belphegor's Prime...

Don't miss the extra footage on Numberphile2: https://youtu.be/9CcI5M1LfRs

This video features Professor Tony Padilla from the University of Nottingham.

More Tony videos: http://bit.ly/Padilla_Numberphile

666 video: https://youtu.be/UkZqFtYtqaI

Lunar Arithmetic

Lunar Arithmetic

Spheres and Code Words

Spheres and Code Words