general_fact: 82871 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 82871 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 82871 is an uninteresting number.
historical_date: November 22nd is the day in 1935 that the China Clipper, the first transpacific mail and passenger service, takes off from Alameda, California for its first commercial flight.