Fait général: 7413 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7413 is the number of even permutations on 8 elements with no fixed points.
Culture générale: 7413 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 17th is the day in 1984 that Police Constable Yvonne Fletcher is killed by gunfire from the Libyan People's Bureau in London during a small demonstration outside the embassy.