No. 6 is a perfect number, but not 7.
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A perfect number is the sum of its divisors; for example 6 is a perfect number because the sum of its divisors is 6 (1 + 2 + 3). The sum of the divisors of 8 is 7 (1 + 2 + 4), so 8 is not a perfect number.
17 is a prime number. Its only factors are 1 and 7. Since 1 is a perfect square, it is the answer to the question.
7 because 132 = 169
Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".
75 is not a Perfect number.