HackerTube / Video
Why do prime numbers make these spirals? | Dirichlet’s theorem and pi approximations
3Blue1Brown

3Blue1Brown explains why plotting primes in polar coordinates produces spiral patterns, using modular arithmetic, Dirichlet's theorem and rational approximations of pi.
Frequently recommended as the clearest explanation of prime spirals and the Ulam spiral.
12 Hacker News mentions · 2019–2024