Fait général: 81213 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 81213 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 81213 is an uninteresting number.
Date historique: May 9th is the day in 2004 that Chechen president Akhmad Kadyrov is killed by a land mine under a VIP stage during a World War II memorial victory parade in Grozny, Chechnya.