Fait général: 9898 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9898 is an uninteresting number.
Culture générale: 9898 is a boring number.
Date historique: February 5th is the day in 1597 that a group of early Japanese Christians are killed by the new government of Japan for being seen as a threat to Japanese society.