answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: Is 9 an almost perfect number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is 32 an almost perfect number?

Yes. The only known almost perfect numbers are the powers of 2. 32 = 2^5 is an almost perfect number. It has not yet been proved whether {x: x = 2^n for n in N} = {x: x is an almost perfect number}.


What are all the almost perfect numbers?

An almost perfect number is a natural number n such that the sum of all divisors of n is equal to 2n - 1.


Is 9 a perfect square number?

Yes, nine is a perfect squarebecause 9 = 3*3


What is 81 a perfect square by what number?

81 is a perfect square because 81 = 9 x 9


How is a sudoku puzzle a perfect square?

Because 9*9 = 81 which is a square number or a perfect square.


What are perfect square?

A perfect square is a rational number that is the square of another rational number. 9, 16, 25, etc., are perfect squares of 3, 4, 5, etc., and X2 + 6X + 9 is a perfect square of (X + 3).


Is the number 81 a perfect square?

Yes because 9*9 = 81


What number is odd and a square number?

1 is odd and a perfect square.


What are the release dates for Almost Perfect - 1995 The Lost Weekend Part 2 1-9?

Almost Perfect - 1995 The Lost Weekend Part 2 1-9 was released on: USA: 26 November 1995 Germany: April 1998


What are the perfect square's from the number's one through twelve?

' 1 ', ' 4 ', and ' 9 ' are perfect squares.


How do you check if a number is a perfect square?

For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.


What is a whole number than can be named as a product of a number with itself called?

A whole number that can be made by multiplying an integer by itself is a perfect square, or square number. An example is 81, which is a perfect square made by 9 x 9.