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1,663 is a prime number from 1001-2000. 1,663 has 2 factors, 1 and 1,663. It is the 261st prime number, and the 93rd prime number from 1001-2000.

Proofs

  • Yes — 1,663 can be divided by 1
  • No — 1,663 cannot be divided by 2-1,662
  • Yes — 1,663 can be divided by 1,663

Relationship with other odd numbers

The numbers before

  • The previous prime number is 1,657, 6 numbers away.
    • Therefore, 1,657 and 1,663 are sexy primes.
    • 1,661 is divisible by 11.

The numbers after

  • The next prime number is 1,667, 4 numbers away.
    • Therefore, 1,663 and 1,667 are cousin primes.
  • The next prime number after 1,667 is 1,669, 2 numbers away.
    • 1,663 and 1,669 are 6 numbers apart. They are sexy primes.
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