Fait mathématique: 4804 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
Culture générale: 4804 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 24th is the day in 1711 that the London première of Rinaldo by George Frideric Handel, the first Italian opera written for the London stage.