Hecho general: 6304 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 6304 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 6304 is an unremarkable number.
Fecha histórica: April 4th is the day in 1841 that William Henry Harrison dies of pneumonia becoming the first President of the United States to die in office and the one with the shortest term served.