general_fact: 47716 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47716 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47716 is a boring number.
historical_date: August 22nd is the day in 1780 that James Cook's ship HMS Resolution returns to England (Cook having been killed on Hawaii during the voyage).