Hecho matemático: 16441 is an unremarkable number.
Trivia: 16441 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: January 4th is the day in 1490 that Anne of Brittany announces that all those who would ally with the king of France will be considered guilty of the crime of Lese-majesty.