Hecho matemático: 402 is the number of graphs with 8 vertices and 9 edges.
Trivia: 402 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: February 5th is the day in 1852 that the Hermitage Museum in Saint Petersburg, Russia, one of the largest and oldest museums in the world, opens to the public.