Hecho general: 91642 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 91642 is an uninteresting number.
Trivia: 91642 is a boring number.
Fecha histórica: November 27th is the day in 1989 that Avianca Flight 203, a Boeing 727, explodes in mid-air over Colombia, killing all 107 people on board and three people on the ground.