63 and -7/4 are special - Numberphile
63 and -7/4 are special - Numberphile Dynamical sequences, prime divisors and special exceptions. More links & stuff in full description below ↓↓↓ Featuring Dr Holly Krieger from MIT. More primes: http://bit.ly/primevids More videos with Holly Krieger: http://bit.ly/HollyKrieger Since this was filmed, Holly has become a mathemmandelbrot setLINK