odd
no, it is odd
Odd.
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.
Yes. One has to be the square of an odd number. The other square has to the the square of the even number either before or after the odd number. If this is confusing just plug in real values. In either case, an odd times and odd is odd. Therefore one of the squares has to be odd. AN even times an even, however, is always even. Therefore, the second square has to be even. Thus, one of the squares is even and the other is odd. An even plus and odd is always odd.
There are infinitely many of them. The square of every odd number will be an odd square number.
-1 is an odd number but not a perfect square.
1 is odd and a perfect square.
Any odd number multiply with itself, or any other odd number results in odd square number.
The square of any odd number will be an odd square number. eg 12 = 1 32 = 9 52 = 25 etc
odd
Assuming you know that your number is a perfect square, the square root of an even number is even, and the square root of an odd number is odd.
no, it is odd
Half of all square numbers are odd. They are the ones which are the square of an odd number.
All square numbers have an odd number of factors.
An even number is any integer that can be divided by two evenly. A square number is any integer multiplied by itself. 2 is even 3 is odd 4 is even and a square of 2 9 is odd and a square of 3 The square of any even number will itself be an even number, and the square of any odd number will itself be an odd number.
An odd number.