485

485 is a natural number that comes after 484 and before 486. In mathematics, it is a semiprime, being the product of two primes: 5 and 97. Its positive divisors are 1, 5, 97, and 485. It is an odd number and is not divisible by 3, 9, or 11.

In various representations, 485 appears as decimal 485, binary 111100101, hexadecimal 0x1E5, and Roman numerals CDLXXXV.

As a calendar year, 485 CE falls in the late antique period, a time noted for the transition of many regions in the former Western Roman Empire. In historical writing, the year is used to anchor events in that era, though specific notable events are not part of this general description.

The number 485 also appears in modern infrastructure and identification systems. For example, Interstate 485 (I-485) is the beltway around Charlotte, North Carolina. Beyond transportation designations, 485 can function as a component of model numbers, catalog entries, or other identifiers where its meaning is context-dependent.