Fait général: 27961 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 27961 is an uninteresting number.
Culture générale: 27961 is a boring number.
Date historique: July 20th is the day in 1977 that the Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind control experiments.