Fait général: 17658 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 17658 is an unremarkable number.
Culture générale: 17658 is an unremarkable number.
Date historique: May 5th is the day in 1809 that Mary Kies becomes the first woman awarded a U.S. patent, for a technique of weaving straw with silk and thread.