general_fact: 17849 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 17849 is an unremarkable number.
trivia: 17849 is an uninteresting number.
historical_date: November 12th is the day in 1978 that Pope John Paul II takes possession of his Cathedral Church, the Basilica of St. John Lateran, as the Bishop of Rome.