Hecho general: 9216 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 9216 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 9216 is a boring number.
Fecha histórica: March 25th is the day in 1948 that the first successful tornado forecast predicts that a tornado will strike Tinker Air Force Base, Oklahoma.