Fait général: 10891 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 10891 is an unremarkable number.
Culture générale: 10891 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 25th is the day in 1944 that the USS Tang under Richard O'Kane (the top American submarine captain of World War II) is sunk by the ship's own malfunctioning torpedo.