8125

8125 is a natural number that follows 8124 and precedes 8126. It is an odd composite number.

In mathematics, 8125 factors as 5^4 × 13. Its divisors are 1, 5, 13, 25, 65, 125, 325, 625, 1625, and 8125. It is not a prime, a perfect square, or a perfect cube, and its prime factorization shows it is the product of a fourth power and a distinct prime.

In alternative representations, 8125 in base 10 is written as 8125; in base 16 it is 0x1FBD; in binary it is 1111110111101.

In modular arithmetic, it is divisible by 5 and by 13; for example, 8125 = 13 × 625. The sum of digits is 16, so it is not a Harshad number in base 10.

Historically and culturally, there is no widely noted special significance attached to 8125 beyond its use as an example of a composite number with a straightforward factorization.