The number 169 is a perfect square, meaning it is the result of multiplying an integer by itself. Specifically, 169 is the square of the integer 13, as 13 \times 13 = 169 . This property makes it a significant number in mathematics, particularly in the study of squares and square roots. In addition to its mathematical significance, 169 can also be found in various contexts, such as in geometry, where it may represent the area of a square with sides measuring 13 units. The number is also relevant in number theory and can be used in various calculations and problem-solving scenarios involving integers and algebra.