Fait général: 6289 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6289 is a boring number.
Culture générale: 6289 is an unremarkable number.
Date historique: March 20th is the day in 1964 that the precursor of the European Space Agency, ESRO (European Space Research Organization) is established per an agreement signed on June 14, 1962.