The number 249 is an integer that follows 248 and precedes 250. It is an odd number and can be expressed as the product of prime factors: 249 = 3 × 83. This makes it a composite number, as it has divisors other than 1 and itself. In mathematics, 249 can also be represented in various numeral systems. For example, in binary, it is written as 11111001. Additionally, 249 is significant in certain contexts, such as in area codes or as a reference number in various systems, but it does not hold any special mathematical properties like being a perfect square or a prime number.