A “baker’s dozen” is 13.

Wacky WorldNumbers & Maths

Medieval bakers added an extra loaf to avoid being fined for short weight.

Another wacky fact → All facts

Explore more Numbers & maths facts

In a room of 23 people, there is a 50% chance two share a birthday.Fold paper 42 times and it would reach the Moon — in theory.Zero is an even number.