Fait général: 6429 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6429 is a boring number.
Culture générale: 6429 is a boring number.
Date historique: August 7th is the day in 1974 that Philippe Petit performs a high wire act between the twin towers of the World Trade Center 1,368 feet (417 m) in the air.