6905
6905 is a natural number that follows 6904 and precedes 6906. It is odd and divisible by 5, since its decimal representation ends in 5. The prime factorization is 6905 = 5 × 1381, where 1381 is a prime number. Therefore, 6905 is a semiprime and is square-free, having exactly four positive divisors: 1, 5, 1381, and 6905.
As a result of its factorization, 6905 is congruent to 5 modulo 6. In various bases, it
Arithmetic functions for 6905 can be derived from its prime factors. The sum of divisors σ(6905) equals
In summary, 6905 is a composite, square-free semiprime, with a straightforward factorization and characteristic base representations.