👉 In the context of mathematics, a "wisted" number is one that can be expressed as the sum of two or more perfect squares. For example, 63 is a wistful number because it can be expressed as the sum of two perfect squares: 2² + 1² = 4 + 1 = 5 and 3² + 0² = 9 + 0 = 9. In mathematics, wistful numbers are often used to represent
