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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.
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What number is a multiple of 4 and is not a square number?
8 is a multiple and is not a perfect square.
Whats 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
By what least number must 217800 be multiplied in order to make it a perfect square?
It is: 8 because 8*217800 = 1742400 which is a square number
What is it called when a number has a whole number square root?
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".
What is a perfect cube number?
A perfect cube is the cube of an integer (whole number). This means that, for n to be a perfect cube, n = x3, x∈ℤ Eg. ±1 [=(±1)3], 8 [=(±2)3], ±27 [= (±3)3], etc.
Why 8 is not a perfect square?
The number 8 is not a perfect square because it is not classified as the product of two positive integers. The number 8 is classified as a perfect cube, however.
What number is a multiple of 4 and is not a square number?
8 is a multiple and is not a perfect square.
Which of these numbers is a perfect number 4 6 1 0 2 2 2 8?
6 is the only perfect digit. The next perfect number is 28.
What do you do if the root of a number is not perfect like 8?
Your head asplodes.
Whats 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
By what least number must 217800 be multiplied in order to make it a perfect square?
It is: 8 because 8*217800 = 1742400 which is a square number
What are the perfect number less than 100?
300+20+8 is 10 less than what number
What is the least whole number with exactly seven positive divisors?
64: 1, 2, 4, 8, 16, 32, 64Tip: To find the number, consider that if there are an odd number of factors, the number must be a perfect square, because a perfect square has one factor that is multiplied by itself. 64: 1, 2, 4, 8, 16, 32, 64Tip: To find the number, consider that if there are an odd number of factors, the number must be a perfect square, because a perfect square has one factor that is multiplied by itself.
Is 56 a perfect square?
No because there is no number that can be multiplied by itself to get 56. Examples of perfect squares: 4*4= 16 8*8= 64 5*5= 25 16, 64, and 25 are all perfect squares because you can multiply one number by it's self to get those numbers.
What are near perfect numbers?
They are numbers that are NEAR PERFECT. a near perfect number is when its factors (exept the actual number) are added up and ALMOST equal the number ex. 16x1/2x8/4x4/ so its factors are 1,2,4,8 and 16 so add them ( exept the actual number) 1+2+4+8=15 so its NEAR PERFECT and a perfect number is a number that all its factors equal to its number ex. 6-1,2,3,6 are its factors all together-1+2+3=6 those are NEAR PERFECT and PERFECT numbers
What is 140 divisible by 8 in a whole number?
The division 140/8 will not give a perfect whole number answer. The answer when 140 is divided by 8 equals 17.5 In order to make this a whole number it must be rounded up to 18.
What is the smallest counting numbergreater than 1 that is both a perfect cube and a perfect square?
How about 64 which is cube and square number because 4*4*4 = 64 and 8*8 = 64
