👉 In mathematics, "thirteenfold" is a term used to describe the process of multiplying three numbers together. This means that you multiply each of the numbers by themselves three times. For example, if you were to multiply 4 and 5 together, you would get 60 (4 x 4 x 4). The term "thirteenfold" is often used in this context because it suggests that when multiplying a number by itself three times, you are essentially doubling the original number