Fatto matematico: 17317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 17317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 30th is the day in 1959 that the Auckland Harbour Bridge, crossing the Waitemata Harbour in Auckland, New Zealand, is officially opened by Governor-General Lord Cobham.