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, the number 689 may appear in addresses, codes, or identifiers. For example, it could represent a specific location, such as a street number, or be used in statistical data. Additionally, it may have significance in certain cultures or systems, but this varies widely depending on the context.