Fait général: 19783 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 19783 is an unremarkable number.
Culture générale: 19783 is an uninteresting number.
Date historique: February 28th is the day in 1885 that the American Telephone and Telegraph Company is incorporated in New York State as the subsidiary of American Bell Telephone.