What is 13 times 13?

13 times 13 is equal to 169. It is the square of the number 13. When two numbers are multiplied together, the product represents the total number of items if those numbers represent the sides of a rectangle. In this case, 13 multiplied by 13 means that there are 169 squares in a 13 x 13 square. The number 13 is a prime number and a lucky number in a variety of cultures. It is also the atomic number of aluminum on the periodic table.