👉 In mathematics, "undecayedness" refers to a property of a number or object that indicates whether it is an integer or not. In other words, when a number is divided by 2 and then multiplied by 3, the result is less than 1. This means that the number is not an integer. For example, in base-10 arithmetic, 45/2 = 22.5, which is not an integer (since it is greater than