Hecho general: 15787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 15787 is an unremarkable number.
Trivia: 15787 is an uninteresting number.
Fecha histórica: March 22nd is the day in 1997 that Tara Lipinski, age 14 years and 10 months, becomes the youngest champion women's World Figure Skating Champion.