Fait mathématique: 8338 is a value of n so that n(n+4) is a palindrome.
Culture générale: 8338 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 29th is the day in 539 BC that Cyrus the Great enters the city of Babylon, detains Nabonidus and ends the Babylonian captivity.