The number 697 is an integer that follows 696 and precedes 698. It is an odd number and can be expressed as the sum of two prime numbers, specifically 673 and 23. In terms of its factors, 697 can be divided by 1, 697, and itself, making it a composite number. In the context of mathematics, 697 can also be represented in various numeral systems. For example, in binary, it is written as 1010111001. Additionally, in Roman numerals, it is represented as DCLXVI plus XXXI, which highlights its versatility in different mathematical representations.