Fait général: 6454 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6454 is the smallest value of n for which p(10n) = n.
Culture générale: 6454 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 1st is the day in 1878 that Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.