Fatto generale: 19391 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19391 is a boring number.
Trivia: 19391 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 1st is the day in 1968 that the New York Central Railroad and the Pennsylvania Railroad are merged to form the ill-fated Penn Central Transportation.