What's special about 288?

Featuring Sophie Maclean and superfactorials.

Try the Halfsies challenge at https://brilliant.org/challenge/numberphile (and tell us your score!) or go to Brilliant's courses and start for free at https://brilliant.org/numberphile/ (episode sponsor)

Sophie Maclean is based at Kings College, London: https://sophiethemathmo.wordpress.com

Superpermutations: https://youtu.be/wJGE4aEWc28
Superhero Triangles: https://youtu.be/UIjeCKPHbso
The Super Bottle: https://youtu.be/8dHMpnfFdtc