Fait général: 2351 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2351 is a member of the Fibonacci-type sequence starting with 2 and 5.
Culture générale: 2351 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: June 8th is the day in 1887 that Herman Hollerith applies for US patent #395,791 for the 'Art of Applying Statistics' – his punched card calculator.