Fait général: 8345 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8345 is the smallest number in base 6 to have 6 different digits.
Culture générale: 8345 is an uninteresting number.
Date historique: November 5th is the day in 1743 that Coordinated scientific observations of the transit of Mercury are organized by Joseph-Nicolas Delisle.