general_fact: 87543 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 87543 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 87543 is an unremarkable number.
historical_date: September 7th is the day in 1936 that the last surviving member of the thylacine species, Benjamin, dies alone in her cage at the Hobart Zoo in Tasmania.