👉 In mathematics, a cyclisitic number is a positive integer that can be expressed as the sum of two or more consecutive positive integers. For example, 10 (which is 3 + 7), and -28 (which is -5 + 6) are cyclistic numbers. Cyclistic numbers are useful in various mathematical applications such as number theory, cryptography, and computer science. They can be used to generate prime numbers or to check whether a given number is prime or