7873

7873 is a positive integer in the decimal number system, the natural number that follows 7872 and precedes 7874. In mathematics, it is a prime number.

It is odd and not divisible by 3 or 5, and the sum of its digits is 25 (digital root 7). Its primality can be checked by testing divisibility with primes up to its square root (approximately 88.7); none of those primes divide 7873, confirming its status as a prime.

In base representations, 7873 equals 1111011000001 in binary, 17301 in octal, and 1EC1 in hexadecimal.

As a prime, 7873 appears in the general sequence of primes and is used as an example in discussions of prime testing and number representations. It does not have widely noted historical or cultural significance beyond its role in mathematical contexts and numerical catalogs.