Fatto generale: 27731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 27731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 27731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: December 3rd is the day in 1982 that a soil sample is taken from Times Beach, Missouri that will be found to contain 300 times the safe level of dioxin.