Fatto generale: 2156 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2156 is the number of different positions in Connect Four after 5 moves.
Trivia: 2156 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: November 25th is the day in 1839 that a cyclone slams India with high winds and a 40 foot storm surge, destroying the port city of Coringa (which has never been completely rebuilt).