Fatto generale: 28146 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 28146 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 28146 is an unremarkable number.
Data storica: January 21st is the day in 1954 that the first nuclear-powered submarine, the USS Nautilus, is launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.