Fait général: 4273 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4273 is a boring number.
Culture générale: 4273 is an unremarkable number.
Date historique: September 12th is the day in 1994 that Frank Eugene Corder crashes a single-engine Cessna 150 into the White House's south lawn, striking the West wing and killing himself.