general_fact: 86683 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 86683 is a boring number.
trivia: 86683 is an uninteresting number.
historical_date: April 30th is the day in 1513 that Edmund de la Pole, Yorkist pretender to the English throne, is executed on the orders of Henry VIII.