Relationship with other odd numbersEdit
The numbers beforeEdit
- The previous prime number is 647.
- 647 and 653 are six numbers apart; therefore, they are sexy primes.
- 649 is divisible by 11, therefore not a prime number.
- The previous prime number before 647 is 643.
The numbers afterEdit
- The next prime number is 659.
- 653 and 659 are six numbers apart; therefore, they are sexy primes.
- 661 is the next prime number after 659.