Fait général: 4276 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4276 is the number of (not necessarily distinct) sets of Egyptian fractions that sum to 1 with smallest fraction 1/26.
Culture générale: 4276 is an uninteresting number.
Date historique: September 15th is the day in 1981 that the Senate Judiciary Committee unanimously approves Sandra Day O'Connor to become the first female justice of the Supreme Court of the United States.