Fatto generale: 665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 665 is a member of the Fibonacci-type sequence starting with 1 and 4.
Trivia: 665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 26th is the day in 1958 that Pan American Airways makes the first commercial flight of the Boeing 707 from New York City to Paris, France.