Pi hiding in prime regularities

A story of pi, prime numbers, and complex numbers, and how number theory braids them together. Check out Remix careers: The fact that only primes that are one above a multiple of four can be expressed as the sum of two squares is known as Fermat s theorem on sums of two squares : Special thanks to the following patrons: 3blue1brown is a channel about animating math, in all senses of the word animate. And