Fatto generale: 86931 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 86931 is an uninteresting number.
Trivia: 86931 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: January 3rd is the day in 2004 that Flash Airlines Flight 604 crashes into the Red Sea, resulting in 148 deaths, making it the deadliest aviation accident in Egyptian history.