3994

3994 is a natural number that follows 3993 and precedes 3995. It is an even composite number with prime factorization 2 × 1997; since 1997 is a prime number, 3994 has exactly four positive divisors: 1, 2, 1997, and 3994.

In base representations, 3994 equals 0xF9A in hexadecimal and 111110011010 in binary. The sum of its digits is 25, giving a digital root of 7. It is not divisible by 3, 5, or 7, but is divisible by 2.

In astronomy, 3994 is used as the numeric designation for a minor planet in the catalog of the Minor Planet Center. Like all such objects, it receives a sequential number after its orbit is well determined; the number is used independently of any given name.

Beyond mathematics, 3994 can appear in other contexts as a model or catalog number, such as product or instrument identifiers, postal codes, or manufacturing lot numbers. There is no widely known event or object universally associated with the number 3994 itself.