195555

195555 is a natural number that follows 195554 and precedes 195556. In decimal notation its digits are 1, 9, 5, 5, 5, 5. It is an odd composite number.

Its prime factorization is 3 × 5 × 13037, where 13037 is a prime number. As a result, the positive divisors of 195555 are 1, 3, 5, 15, 13037, 39111, 65185, and 195555. The number is divisible by 3 and by 5, but it is not divisible by 9 or by 25. The sum of its digits is 30, which explains why it is divisible by 3 but not by 9.

In various number-theoretic contexts, 195555 can serve as an example of a non-prime integer with multiple small prime factors. It is not a palindromic number, nor is it a Harshad number in base 10, since it is not divisible by the sum of its digits (195555 ÷ 30 is not an integer). The value has no widely known special significance beyond its properties as a composite integer.

See also: 195554, 195556.