Fait général: 8181 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8181 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 8181 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 25th is the day in 1955 that First ascent of Kangchenjunga (8,586 m.), the third highest mountain in the world, by a British expedition led by Joe Brown and George Band.