Fait mathématique: 6270 is a value of n for which n-1 and n+1 are twin primes, and so are 2n-1 and 2n+1.
Culture générale: 6270 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: March 1st is the day in 1642 that Georgeana, Massachusetts (now known as York, Maine), becomes the first incorporated city in the United States.