Fait général: 21347 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 21347 is an unremarkable number.
Culture générale: 21347 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: June 11th is the day in 1982 that the Sentosa Musical Fountain was officially opened as part of the second phase of construction on the island of Sentosa, Singapore.