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.
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8 is a multiple and is not a perfect square.
its a number that a different number goes into equallyfor example25 is a perfect square because 5 times 5 is twenty five. two of the same number multiply and get the perfect square8 times 8 is a perfect square7 times 9 is not
It is: 8 because 8*217800 = 1742400 which is a square number
Oh, dude, the tenth perfect number is 8,589,869,056. It's like a perfect number, but, you know, the tenth one. So, if you're ever in a situation where you need to know the tenth perfect number, now you're prepared. You're welcome.
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".