general_fact: 5852 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5852 is a boring number.
trivia: 5852 is an uninteresting number.
historical_date: January 8th is the day in 1838 that Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code).