620 is a natural number and an integer, following 619 and preceding 621. Beyond its place on the number line, it can signify a specific count, a year in the Julian calendar, or a designation in various systems.
620 is a natural number and an integer, following 619 and preceding 621. Beyond its place on the number line, it can signify a specific count, a year in the Julian calendar, or a designation in various systems.