Outrageously Funny Word Dictionary :: Ghostly

👉 In mathematics, a ghostly number or ghost number is a positive integer that can be written as the sum of two or more consecutive positive integers. This concept was introduced by mathematician John von Neumann in his 1938 paper "On the Inequality of the Sum of Two Infinite Series." The term has been used to describe numbers that have this property, and it is a fundamental concept in number theory. In mathematics, a ghostly number can be defined as an integer \( n

ghostly