539 is a natural number that comes after 538 and before 540. It is a composite number, whose prime factors are 7 and 11 (7² × 11). This number also denotes a year in the Common Era.
539 is a natural number that comes after 538 and before 540. It is a composite number, whose prime factors are 7 and 11 (7² × 11). This number also denotes a year in the Common Era.