6820

6820 is a natural number that lies between 6819 and 6821. In mathematics, it is an even composite number. Its prime factorization is 2^2 × 5 × 11 × 31, and it has 24 positive divisors. The number is a multiple of 4, 5, 10, and 20, among others. The sum of its digits is 16, and 6820 is not a Harshad number in base 10.

Beyond pure mathematics, 6820 commonly appears as a numeric identifier in various practical contexts. It may serve as a model or catalog number, a routing or inventory code, or a component of a regional or organizational coding system. Without a specific context, 6820 does not have a single widely defined meaning.

In terms of calendar notation, 6820 CE would be far in the future, while 6820 BCE refers to a time long before the common era, depending on the calendar system used. As with many numbers, its use in dates, codes, or models is highly context-dependent.

See also: 6819, 6821.