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In a room of 23 people, there is a 50% chance two share a birthday.

Wacky WorldNumbers & Maths

It feels wrong because we think of our own birthday, but there are 253 possible pairs among 23 people.

Share on WhatsAppSource: en.wikipedia.org

Another wacky fact → All facts

28 September 2026 by

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← 111,111,111 × 111,111,111 = 12,345,678,987,654,321.
Zero is an even number. →
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