Fatto matematico: 9481 is a number whose sum of divisors is a 4^{th} power.
Trivia: 9481 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: December 15th is the day in 1467 that Stephen III of Moldavia defeats Matthias Corvinus of Hungary, with the latter being injured thrice, at the Battle of Baia.