Number 679 is a three-digit integer that follows 678 and precedes 680. It is an odd number and can be expressed as the sum of 600 and 79. In terms of its prime factorization, 679 is a product of the prime numbers 11 and 61, making it a semiprime. In mathematics, numbers like 679 can be analyzed for various properties, such as divisibility and factors. It can also be represented in different numeral systems, including binary (1010100111) and hexadecimal (2A7). The number has no special significance in popular culture or history but is simply one of the many integers in the number system.