Fait général: 84105 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 84105 is an uninteresting number.
Culture générale: 84105 is an unremarkable number.
Date historique: April 9th is the day in 1992 that a U.S. Federal Court finds former Panamanian dictator Manuel Noriega guilty of drug and racketeering charges.