math_fact: 2682 is a number n for which f(n) is a repdigit.
trivia: 2682 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 5th is the day in 1809 that Mary Kies becomes the first woman awarded a U.S. patent, for a technique of weaving straw with silk and thread.