Fait général: 5816 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5816 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 5816 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: December 3rd is the day in 1999 that NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.