Hecho general: 19961 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 19961 is an unremarkable number.
Trivia: 19961 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: August 25th is the day in 1248 that the Dutch city of Ommen receives city rights and fortification rights from Otto III, the Archbishop of Utrecht.