Fait général: 27900 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 27900 is a boring number.
Culture générale: 27900 is a boring number.
Date historique: May 20th is the day in 1916 that the Saturday Evening Post publishes its first cover with a Norman Rockwell painting (Boy with Baby Carriage).