general_fact: 5789 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5789 is a value of n for which n and 8n together use each digit 1-9 exactly once.
trivia: 5789 is a boring number.
historical_date: November 6th is the day in 1986 that Sumburgh disaster – A British International Helicopters Boeing 234LR Chinook crashes 2.5 miles east of Sumburgh Airport killing 45 people.