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Watch & learn

The best videos about numbers

A curated library of outstanding explainers on primes, unsolved problems, surprising statistics and the math behind AI.

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Numbers in the real world

Number 1 and Benford’s Law

Numberphile — why leading digits in real-world data are far more often 1 than 9, and how auditors use it to spot fraud.

The Simplest Math Problem No One Can Solve

Veritasium — the Collatz conjecture.

Math’s Fundamental Flaw

Veritasium — Gödel, Turing and the limits of mathematics.

Primes and deep math

Why do prime numbers make these spirals?

3Blue1Brown — Dirichlet’s theorem and pi approximations.

But what is the Riemann zeta function?

3Blue1Brown — visualising analytic continuation.

The math behind AI

But what is a neural network?

3Blue1Brown — deep learning, chapter 1.

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