Hecho matemático: 2937 is a value of n for which n and 5n together use each digit 1-9 exactly once.
Trivia: 2937 is an uninteresting number.
Fecha histórica: January 15th is the day in 1993 that Salvatore Riina, the Mafia boss known as "The Beast", is arrested in Sicily, Italy after three decades as a fugitive.