Fait général: 4481 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4481 is a prime that is the average of two 4^{th} powers.
Culture générale: 4481 is an uninteresting number.
Date historique: April 7th is the day in 1994 that Auburn Calloway attempts to hijack FedEx Express Flight 705 and crash it to insure his family with his life insurance policy.