Hecho matemático: 2947 is the smallest number whose 5^{th} power starts with 4 identical digits.
Trivia: 2947 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: January 25th is the day in 1924 that the 1924 Winter Olympics opens in Chamonix, France (in the French Alps), inaugurating the Winter Olympic Games.