general_fact: 6287 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 6287 is an uninteresting number.
trivia: 6287 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: March 18th is the day in 1965 that Cosmonaut Aleksei Leonov, leaving his spacecraft Voskhod 2 for 12 minutes, becomes the first person to walk in space.