Fait mathématique: 4112 is the number of necklaces possible with 17 beads, each being one of 2 colors.
Culture générale: 4112 is an unremarkable number.
Date historique: April 4th is the day in 1850 that the Great Fire of Cottenham, a large part of the Cambridgeshire village (England) is burnt to the ground under suspicious circumstances.