Fait général: 2616 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2616 is the number of graphs with 9 vertices and 6 cycles.
Culture générale: 2616 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 28th is the day in 1939 that the erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.