General fact: 4217 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4217 is the smallest number whose 8^{th} power has 29 digits.
Trivia: 4217 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: July 18th is the day in 1976 that Nadia Comăneci became the first person in Olympic Games history to score a perfect 10 in gymnastics at the 1976 Summer Olympics.