Fatto generale: 4798 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4798 is a value of n for which n!!!.
Trivia: 4798 is a boring number.
Data storica: February 18th is the day in 1478 that George, Duke of Clarence, convicted of treason against his older brother Edward IV of England, is executed in private at the Tower of London.