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Ma'a Nonu
To be relatively prime requires another number, and the highest common factor between 17 and that number must be 1. 17 is relatively prime to all numbers which are not multiples of 17 (since 17 is a prime number).
17 is a deficient number because half the sum its factors is less than 17 [(1 + 17)/2 = 9)]. All odd numbers less than 945 are deficient.
7, 17, and 37 are all prime numbers.
17 is a prime number because 17 * 1 = 17.