1 + 2 + 3 + … = −1/12

132 · John Cook · Feb. 13, 2025, 4:08 p.m.
Summary
This post discusses the extraordinary mathematical statement that the sum of all natural numbers (1 + 2 + 3 + ...) equals -1/12, referencing a popular meme that features Ramanujan. It aims to provide insights into this surprising result, its origins, and its implications in mathematics.