Fait général: 6172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 6172 is an unremarkable number.
Date historique: November 23rd is the day in 1976 that Apneist Jacques Mayol is the first man to reach a depth of 100 m undersea without breathing equipment.