General fact: 2873 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2873 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 2873 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: November 12th is the day in 1996 that a Saudi Arabian Airlines Boeing 747 and a Kazakh Ilyushin Il-76 cargo plane collide in mid-air near New Delhi, killing 349.