What do 5, 13 and 563 have in common?
15:13
Twin Proofs for Twin Primes - Numberphile
8:38
Wilson's Theorem (extra footage)
12:42
2.920050977316 - Numberphile
9:37
Characters, Symbols and the Unicode Miracle - Computerphile
7:53
Look-and-Say Numbers (feat John Conway) - Numberphile
13:23
If
11:02
TREE(3) (extra footage) - Numberphile
13:48