Fait général: 5281 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5281 is an uninteresting number.
Culture générale: 5281 is an unremarkable number.
Date historique: June 16th is the day in 1972 that the largest single-site hydro-electric power project in Canada is inaugurated at Churchill Falls, Labrador.