Fatto matematico: 2192 is the number of necklaces (that can't be turned over) possible with 15 beads, each being one of 2 colors.
Trivia: 2192 is an unremarkable number.
Data storica: December 31st is the day in 1999 that Boris Yeltsin, the first president of Russia, resigns as President of Russia, leaving Prime Minister Vladimir Putin as the acting President.