7865

7865 is a natural number that follows 7864 and precedes 7866. In decimal notation it ends with 5, indicating divisibility by 5. It is an odd number.

Its prime factorization is 5 × 11^2 × 13, making it a composite number that is not squarefree due to the square factor 11^2. The positive divisors of 7865 are 1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, and 7865.

In hexadecimal notation, 7865 equals 0x1EB9, and in binary it is 0001 1110 1011 1001.

As a four-digit composite number, 7865 is sometimes used as an example in arithmetic exercises to illustrate divisor counting and factorization.