Fait général: 5099 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5099 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 5099 is an unremarkable number.
Date historique: December 16th is the day in 1947 that William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.