Fatto generale: 61004 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 61004 is a boring number.
Trivia: 61004 is an unremarkable number.
Data storica: January 8th is the day in 1975 that Ella T. Grasso becomes Governor of Connecticut, the first woman to serve as a Governor in the United States other than by succeeding her husband.