Fait général: 17417 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 17417 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 17417 is an unremarkable number.
Date historique: September 7th is the day in 1977 that the 300 metre tall CKVR-DT transmission tower in Barrie, Ontario, Canada is hit by a light aircraft in a fog, causing it to collapse.