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A perfect number is a number that is the sum of all its proper factors (that is all its factors excluding itself).

The next perfect number after 28 is 496

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โˆ™ 2011-12-22 13:44:22
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Q: What is the Perfect number and what is the perfect number after 28?
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Related questions

Is 28 a perfect number?

Yes it is. 6 is the first perfect number, 28 is the second perfect number.


Is there a perfect number between 20 and 30?

28 is a perfect number.


When after 11 is there a perfect number?

The next perfect number after 11 is 28.


Is 22 a perfect number or a near number?

22 is not a perfect number but 6, 28, 496 and 8128 are perfect numbers.


Why is 28 a perfect number?

A number is perfect if all it's factors (barring itself) sum to make the original number. In this case, the factors of 28 are 1,2,4,7 and 14. Added up, these equal 28. Thus, 28 is a perfect number.


Is 29 a perfect number?

29 is not a perfect number - though 28, its predecessor, is.


How is 2002 a perfect number?

2002 is not a perfect number. The first four perfect numbers are 6, 28, 496, and 8128.


Is the number 42 a perfect number?

No, it is not a perfect number. The first four known perfect numbers are 6, 28, 496 and 8,128.


Is 50 near a perfect number?

No, it is not near a perfect number. The first four known perfect numbers are 6, 28, 496 and 8,128.


Is 42 a perfect number?

Use the definition of a perfect number! Add the factors; if the sum of all the factors (excluding the number itself) is equal to the number, it is a perfect number, otherwise it isn't. (Actually, the only perfect numbers less than 100 are 6, and 28.)


Is 30 a perfect number?

No. The only perfect numbers below 100 are 6 and 28.


Is 34 a perfect number?

No. The only perfect numbers below 100 are 6, and 28.


Is 50 a perfect number?

No, the only perfect numbers under 100 are 6 and 28.


Is 28 a perfect abundant or deficient number?

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


What is the next perfect number after 6?

The second perfect number after 6 is 28. The sum of the factors of 28, excluding itself, is 1 + 2 + 4 + 7 + 14 = 28.


What is a perfect number greater than 22?

28


What is the second perfect number?

28


Is 25 a perfect number?

No, but 28 is...


How is 20 a perfect number?

It isn't a perfect number.A perfect number is a number which is the sum of its proper divisors (including 1, but excluding itself).The divisors of 20 are 1, 2, 4, 5, 10.1 + 2 + 4 + 5 + 10 = 22 => 20 is not a perfect number.An example of a perfect number is 28:The divisors of 28 are 1, 2, 4, 7, 141 + 2 + 4 + 7 + 14 = 28 => 28 is a perfect number.


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.


Is 40 a perfect number?

No - forty is not a perfect number. A perfect number is a number equal to the sum of all its factors apart from itself. The closest perfect numbers to 40 in each direction are: lower: 28 higher: 496


What is the next perfect number after 28?

496


Is 31 a perfect number?

No. The only perfect numbers less than 100 are 6 and 28. All known perfect numbers are even - it is unknown whether there are odd perfect numbers.


What is a perfect number less than 50?

6 and 28 are perfect numbers less than 50.


What number between twenty and thirty is a perfect number?

28

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