Fatto generale: 17601 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 17601 is an unremarkable number.
Trivia: 17601 is an uninteresting number.
Data storica: March 9th is the day in 1841 that the U.S. Supreme Court rules that captive Africans who had seized control of the ship carrying them had been taken into slavery illegally.