Fatto generale: 17699 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 17699 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 17699 is a boring number.
Data storica: June 15th is the day in 1877 that Henry Ossian Flipper becomes the first African American cadet to graduate from the United States Military Academy.