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17 is a prime number from 1-100. 17 has two factors, 1 and 17. It is said to be the number with the most syllables in a range of 13-19, thanks to seven, which has two syllables. It is the seventh prime number, and the seventh prime number from 1-100. It is also the 3rd Fermat number.

17 is considered unlucky in Italy. This is because 17's Roman Numerals are XVII which is an anagram of Vixi. Vixi is Latin for I lived aka I am dead.

17

ProofsEdit

  • Yes — 17 can be divided by 1.
  • No — 17 cannot be divided by 2-16.
  • Yes — 17 can be divided by 17.
  • Therefore, 17 has 2 factors

As an Exponent of Mersenne NumberEdit

217 - 1, which is the number 131,071, is a prime number. It is the 6th Mersenne Prime.

​Relationship with other odd numbersEdit

The numbers beforeEdit

  • The previous odd number, 15, is not a prime number. It is divisible by 3 and 5.
  • The odd number previous to 15 is 13. 13 is a prime number.
    • 13 and 17 are four numbers apart; therefore, they are cousin primes.
  • The odd number previous to 13 is 11. 11 is a prime number.
    • 11 and 17 are six numbers apart; therefore, they are sexy primes.

The numbers afterEdit

  • The next odd number, 19, is a prime number.
    • There are no odd numbers between 17 and 19. As a result, they are twin primes.
  • 21, the odd number following 19, is not a prime number. It is divisible by 3 and 7.
  • 23, the odd number following 21, is a prime number.
    • 17 and 23 are six numbers apart; therefore, they are sexy primes.


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