Fait général: 81007 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 81007 is a boring number.
Culture générale: 81007 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 15th is the day in 1783 that the Montgolfier brothers' hot air balloon marks the first human ascent, by Jean-François Pilâtre de Rozier, (tethered balloon).