6620

6620 is an integer in the decimal system. It is the natural number that comes after 6619 and before 6621.

In number theory, 6620 is composite. Its prime factorization is 2^2 × 5 × 331, and it has 12 positive divisors: 1, 2, 4, 5, 10, 20, 331, 662, 1322, 1655, 3310, and 6620.

In various bases, it is represented as binary 1100111011100, hexadecimal 0x19DC, and octal 0o14734.

Outside pure math, 6620 is used as a numeric designation in product names, model numbers, or catalog identifiers across industries. Such usage is common for differentiating items in lists or inventories where a simple numeric code is preferred.

As a calendar year, 6620 CE would fall in the distant future; there are no widely cited historical events associated with that year in current records.