28297

28297 is a natural number. In decimal notation it is 28,297, a five-digit integer. It is the successor of 28,296 and the predecessor of 28,298.

In mathematics, 28,297 is a prime number. It is odd and not divisible by 2, 3, or 5. The sum of its digits is 28, which is not a multiple of 3, and a divisibility check against primes up to 167 yields no divisors. Therefore, its only positive divisors are 1 and 28,297. It is congruent to 1 modulo 6, which is consistent with primes greater than 3.

In other bases, 28,297 has the representations binary 110111010001001, hexadecimal 0x6E89, and octal 67211.

Overall, 28,297 is principally noted as a five-digit prime number. It does not have widely recognized named invariants or historical associations, but it serves as an example in discussions of primality and number base representations.