Fait général: 6657 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6657 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 6657 is a boring number.
Date historique: March 23rd is the day in 2001 that the Russian Mir space station is disposed of, breaking up in the atmosphere before falling into the southern Pacific Ocean near Fiji.