Fatto generale: 15860 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 15860 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 15860 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 3rd is the day in 2006 that the union of Serbia and Montenegro comes to an end with Montenegro's formal declaration of independence.