Fait général: 81291 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 81291 is an uninteresting number.
Culture générale: 81291 is an unremarkable number.
Date historique: July 26th is the day in 1974 that Greek Prime Minister Constantinos Karamanlis forms the country's first civil government after seven years of military rule.