Fait mathématique: 8104 is equal to the sum of its anti-divisors.
Culture générale: 8104 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: March 9th is the day in 1990 that Dr. Antonia Novello is sworn in as Surgeon General of the United States, becoming the first female and Hispanic American to serve in that position.