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no 11 is not a perfect number because when u add the factors the don't add up to 11

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โˆ™ 2010-09-19 22:05:59
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Q: Is 11 a perfect number
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When after 11 is there a perfect number?

The next perfect number after 11 is 28.


Why is 121 a perfect square?

A perfect square is a whole number multiplied by itself. 121 = 11*11


What numbers go into 121?

1, 11, and 121. (This number has an odd number of factors because it is a perfect square: 11 * 11 = 121.)


What are facts about number 11?

1. Number 11 (Eleven) is a prime2. The number is an icon of prosperity. People use to give 11 dollars, 11 items of gifts because 11 is means more, one more than 10 (the perfect number) so that the prosperity may come to the receiver more, more than perfect.


What is the least number which is a perfect square but contains 847 as its factor?

1, 7, 11, 77, 121, 847 are the factors of 847.. or 847 = 11*77 ..inorder to make it a perfect square ..u need to multiply 7,11 to the existing number as 11 ,7 are prime numbers. so the least number will be 11*77*11*7


Can a perfect number be odd?

If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.


What is the sum of the first perfect number and the second perfect number?

The sum of the 1st perfect number and 2nd perfect number is. . . 34!


What is the sum of the fifth prime number the sixth composite number and the third perfect square?

11 + 12 + 9 = 32


What is the third perfect number?

496 is the third perfect number and 8128 is the fourth perfect number.


Is 28 a perfect number?

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


Why is the prime number 11 not perfect?

A "perfect number" is defined to be a number such that all of its factors - smaller than the number itself - add up to the number. Examples: 6 = 1 + 2 + 3 28 = 1 + 2 + 4 + 7 + 14 11 is not equal to its only factor (smaller than itself), the number 1.


What is the probability number is perfect square from 10 to 20?

There are 11 numbers from 10 to 20 if we include 10 and 20. Of those, only 16 is a perfect square. So the probability if 1/11 or .09 repeating.


Is 75 a perfect number?

75 is not a Perfect number.


Is 73 the perfect number?

73 is not a Perfect number.


Is 77 a perfect number?

75 is not a Perfect number.


Is the number 32 a perfect number?

32 is not Perfect.


What is the Perfect number and what is the perfect number after 28?

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


What number is both a square number and a cube number between 1 and 25?

There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.There is not a number that is a perfect square and perfect cube between 1 and 25.


What kind of a number is 81?

81 is; Natural number, Perfect-square number, Perfect 4th root number, Perfect totient number, Odd Number, Composite Number, etc.


Is a perfect cube number the same as a perfect number?

No, they are not the same number. they are different


Is 22 a perfect number or a near number?

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


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 the smallest perfect number?

the smallest perfect number is 1


Is 12 a perfect number?

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


If a number is not perfect what is it called?

It is called a non-perfect number

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