Fait général: 9042 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9042 is the trinomial coefficient T(11,4).
Culture générale: 9042 is an unremarkable number.
Date historique: October 2nd is the day in 1967 that Thurgood Marshall is sworn in as the first African-American justice of United States Supreme Court.