What is 36?

36 is a composite number that comes after 35 and before 37. It is also an even number and is divisible by 1, 2, 3, 4, 6, 9, 12, 18, and 36. In Roman numerals, 36 is written as XXXVI. In mathematics, 36 is the square of 6 and the sum of the first four positive even numbers (2 + 4 + 6 + 8 = 20). The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The prime factorization of 36 is 2^2 x 3^2.