The number "689" is a three-digit integer that follows 688 and precedes 690. It is an odd number and can be expressed as the sum of 600 and 89. In mathematics, it can be factored into prime numbers as 689 = 13 × 53. In various contexts, "689" may refer to specific codes, such as area codes or postal codes. For example, it could represent a location in a particular region or be used in identification systems. Additionally, it might appear in sports statistics or as a reference number in different fields.