Fait général: 16824 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 16824 is an uninteresting number.
Culture générale: 16824 is a boring number.
Date historique: January 22nd is the day in 1992 that Rebel forces occupy Zaire's national radio station in Kinshasa and broadcast a demand for the government's resignation.