514

514 is a natural number that follows 513 and precedes 515. In mathematics, it is an even composite number with prime factorization 2 × 257, where 257 is prime. It is not a prime, a square, or a cube. In base representations, 514 can be written as 0x202 in hexadecimal, 0o1002 in octal, and 1000000010 in binary. The Roman numeral representation is DXIV.

Beyond its role as a number, 514 is also an area code used for telephone numbers in Canada. It serves Montreal, Quebec, and surrounding areas. The 514 code was introduced as part of the North American Numbering Plan in the mid-20th century and is now used in the region alongside an overlay code (438), which allows additional phone numbers within the same geographic area.