197999

197999 is a composite number that can be factorized as 447 x 443. It is a smooth number, meaning it has a limited number of factors. The factors of 197999 are 1, 19, 447, 443, and 197999.

197999 is an odd number and can be classed as a multiple of 19 and 443. It has been studied extensively in number theory, with 443 being a Mersenne prime, or a prime that can be expressed as a power of 2 minus 1. In other words, it follows the formula 2^n - 1, where n is an integer. Other multiples of 443 include 443, 443^2, and 443^3.

This composite number has appeared in various mathematical contexts, such as in Amicable numbers, which are numbers falsely believed to be prime but are actually the sum of their own proper divisor plus the product of the proper divisors and the user, albeit with no other proper divisor. 197999 is also among the perfect numbers, specifically the even perfect numbers.

It can also be further broken down into two larger prime numbers: 13x8159, utilizing non-homogeneous polynomials in frequency couples.