Hecho matemático: 4108 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4108 is an uninteresting number.
Fecha histórica: March 31st is the day in 1986 that a Mexicana Boeing 727 en route to Puerto Vallarta erupts in flames and crashes in the mountains northwest of Mexico City, killing 166.