Find Your Birthday in Pi: Million-Digit Search Tool
Type a birthday and discover whether, and where, those digits appear in the first million decimal places of π.
How to use this tool
- 1Enter a birthday or another short sequence; punctuation is removed, so 14/3 becomes 143.
- 2Search the first million decimal places of pi.
- 3Read the position and surrounding digits when the sequence is found.
What you can learn
- Pi has infinitely many decimal places and does not repeat in a fixed pattern.
- A short digit sequence may appear far into a long number.
- The position counts how deep into pi the match begins.
Want the why behind it?
Measure pi and learn why it works →Keep exploring
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