The number 630 is an integer that follows 629 and precedes 631. It is an even number, meaning it is divisible by 2 without a remainder. In terms of its prime factorization, 630 can be expressed as 2 × 3² × 5 × 7. This means it is made up of the prime numbers 2, 3, 5, and 7. In Roman numerals, 630 is represented as DCXXX. The number is often associated with various contexts, such as area codes in telecommunications or historical events that occurred in the year 630 AD, which was notable for the early spread of Islam.