Fatto generale: 402 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 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!).
Data storica: February 5th is the day in 1924 that the Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal or the "BBC pips".