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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.)

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.)

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.)

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.)

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14y ago

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.)

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Q: Is 42 a perfect number
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Related questions

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.


What is the perfect square of 42?

The perfect square of 42 is 42 x 42 or 1,764.


Is 42 a perfect square?

No- the closest perfect squares are 36 (perfect square of 6) and 49 (perfect square of 7)


What was Jackie Robinson number he played for Major League Baseball?

number was 42


Is 42 a cube number?

42 is not a cube number.


Is 42 a square number using perfect squares?

No. The two closest squares are 49 and 36. The square root of 49 being 7 and the square root of 36 being 6. you can conclude that the square root of 42 isn't a perfect square, but it's square root is between 7 and 6.


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 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".


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 mixed number or whole number for 42 out of 6?

42/6 = 42 ÷ 6 = 7


How do you beat question 42 on impossible quiz?

you count the 42's until you get to the number 42 you count the 42's until you get to the number 42


What is the third perfect number?

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