Fatto generale: 4172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 3rd is the day in 1962 that an Air France Boeing 707 charter, Chateau de Sully crashes after an aborted takeoff from Paris-Orly Airport, killing 130.