general_fact: 98928 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 98928 is a boring number.
trivia: 98928 is an unremarkable number.
historical_date: November 8th is the day in 1971 that Led Zeppelin releases "Led Zeppelin IV," which becomes the third-best-selling album ever in the US.