123999

123999 is a six-digit number. In the decimal system, it is an integer. The number 123999 can be expressed as the sum of two squares: 123999 = 333^2 + 108^2. It is also a part of a sequence of numbers that exhibit certain mathematical properties. For instance, if one were to repeatedly apply the process of summing the squares of the digits of 123999, the sequence would eventually converge to a fixed point. This process is related to the concept of happy numbers. The prime factorization of 123999 is 3 * 41333. The number 41333 is a prime number.