RUDE NUMBERS

The number 17 is prime because it enjoys being difficult.

✗ FAKE

17 is prime because its only positive divisors are 1 and 17. That's a property of the number, and not a personality trait.

More Rude Numbers facts

A heptagon has 7 sides — because pentagons and hexagons weren’t enough.The concept of zero was invented in India — arguably the greatest achievement in nothing.A sphere has no edges or vertices — the smooth talker of geometry.In trigonometry, sine, cosine, and tangent relate angles to side lengths in right triangles — triangle magic for grown-ups.Calculus was created because regular math wasn’t stressful enough. Humanity demanded more suffering.The word 'mathematics' comes from the Greek word 'mathema', meaning 'knowledge' or 'learning' — knowledge that often feels like confusion.See all Rude Numbers facts →

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