on "permutable" primes
12:38
a nice divisibility problem
18:12
a combination of classic problem types
19:14
The strange cousin of the complex numbers -- the dual numbers.
26:50
ChatGPT can't do math...
16:51
Understanding Measure Theory and the Lebesgue Integral
16:45
Um número elevado à potência de uma matriz - Numberphile
29:42
The Biggest Lottery You've Never Heard Of
31:49