Fait général: 8013 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8013 is a boring number.
Culture générale: 8013 is an uninteresting number.
Date historique: December 8th is the day in 1963 that Pan Am Flight 214, a Boeing 707, is struck by lightning and crashes near Elkton, Maryland, United States, killing all 81 people on board.