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What else can I help you with?
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.
Are there an infinite number of perfect numbers why is that so?
It is not yet known:Whether there is an infinite number of even perfect numbersWhether there is any odd perfect number
What is a number that is odd and it's a perfect number?
It is unknown whether an odd perfect number actually exists. If an odd perfect number exists it will be extremely large, that is in excess of 10300.
Is 7 the only perfect number on the form xn yn?
No. Because 7 is not even a perfect number; it is conjectured (not proven) that there are no odd perfect numbers only even ones and 7 is an odd number - it has been proven that if there is an odd perfect number it has to be extremely large, much-much-much larger than 7)
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.
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.
Are there an infinite number of perfect numbers why is that so?
It is not yet known:Whether there is an infinite number of even perfect numbersWhether there is any odd perfect number
What is a number that is odd and it's a perfect number?
It is unknown whether an odd perfect number actually exists. If an odd perfect number exists it will be extremely large, that is in excess of 10300.
What number is a square number and it is odd?
The square of any odd integer is an odd square number. For example, 3^2 = 9.
Does a perfect square number have even or odd number of distinct factors?
An odd number.
What type of factor has an odd number of factors?
A perfect square has an odd number of factors.
What number is odd and not a square number?
-1 is an odd number but not a perfect square.
What is a number that has an odd number of factors?
if a number has an odd number of factors it would be a perfect square
What is a number that has odd number of factors?
if a number has an odd number of factors it would be a perfect square
Odd number factors?
Perfect squares are numbers with an odd number of factors.
What number is odd and a square number?
1 is odd and a perfect square.
What do you call an odd number factor?
I would call an odd number factor a factor that is an odd number. I would call a number with an odd number of factors a perfect square.
