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A perfect number equals the sum of its proper divisors.

A deficient number is greater than the sum of its proper divisors.

An abundant number is less than the sum of its proper divisors.

Proper divisors of a number do not include the number itself.

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โˆ™ 2013-11-21 06:00:45
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Q: What is a perfect Abundant Or dificient number?
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Related questions

Is 60 an abundant number or a perfect number?

60 is abundant.

Is 12 a perfect number?

No, 12 is not a perfect number. It is abundant.

Is the number 20 deficient perfect or abundant?


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18 is abundant

Is 15 a abundant deficient or perfect number?


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Yes, this is well known. All integral multiples of any perfect, or abundant number must be an abundant number.

Is 26 a dificient number?


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No 18 is not. It is a abundant number.

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Is 28 a perfect abundant or deficient number?

it is perfect i believe the factors are 1,2,4,7,and 14

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It is deficient.

Is 20 an abundant deficient or perfect number?


Is 35 a abundant deficient or perfect number?


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it is defenciant

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Yes. All prime numbers are deficient.

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74 is deficient.

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prfct nmbr

Do you add the number itself to make it abundant?

You cannot make a number abundant. Being abundant is an inherent property of a number that cannot be changed. To work out if a number is abundant, you take all of its factors (apart from itself) and add them up. If the total is less than the original number it is deficient. If it is equal then it is perfect. If the total is greater than the original number, then it is abundant.

What is an abundant number and a deficient number and a perfect number whose sum is 23?

12 + 5 + 6