math_fact: 1413 is the smallest number that can not be formed using the digits 0-7 at most once, together with the symbols + – × and ÷.
trivia: 1413 is an unremarkable number.
historical_date: November 13th is the day in 1988 that Mulugeta Seraw, an Ethiopian law student in Portland, Oregon is beaten to death by members of the Neo-Nazi group East Side White Pride.