Fait général: 4197 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4197 is a boring number.
Culture générale: 4197 is a boring number.
Date historique: June 28th is the day in 1902 that the U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.