A small web toy finds your birthday inside π

A four-digit birthday, or any four-digit number, can be searched inside the first 250,000 digits of π. After entering the digits, the site shows a flight through a sphere made of 250,000 dots and lands on the number. runs inside the user’s browser.

The entered number and usage are not . The asks people to report cases where their number cannot be found.

Key points

  • The site searches for any four-digit number inside the first 250,000 digits of π.
  • It visualizes the search as a flight through a sphere of 250,000 dots.
  • The experience runs fully in the browser.
  • The says entered data is not .
  • The idea shows how a tiny web project can be made shareable with one clear hook.
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