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The square of every positive or negative even whole number

is a positive even whole number.

The square of every positive or negative odd whole number

is a positive odd whole number.

There are an infinite number of each kind.

Q: What square numbers are even and which square numbers are odd?

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Only whole numbers are even or odd, and the square root of 75 is not a whole number.

Yes. There is a pattern in square numbers. They are fun to play with.

Even powers of prime numbers. Square numbers have an odd number of factors.

The procedure is the same whether the number is even or odd. There is no separate procedure for odd numbers.

No, only square numbers have an odd number of factors.

Related questions

Even square numbers are even, by definition. Two even numbers multiplied together give an even number so no, they cannot multiply to give an odd number. You have to multiply an even number by an odd number to do this.

All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.

Only whole numbers are even or odd, and the square root of 75 is not a whole number.

Yes. There is a pattern in square numbers. They are fun to play with.

Even powers of prime numbers. Square numbers have an odd number of factors.

The procedure is the same whether the number is even or odd. There is no separate procedure for odd numbers.

All non-even numbers are odd. All squares of even numbers are even. All squares of odd numbers are odd. Therefore all numbers which are odd and not the square of an odd number are the solution set. It contains: {3, 5, 7, 11, 13, 15, 17, 19, 21, 23, 27, 29, 31, ...}

Half of all square numbers are odd. They are the ones which are the square of an odd number.

No, only square numbers have an odd number of factors.

No. The square of an odd number will be odd and the square of an even number will be even.Examples:5x5=2511x11=12115x15=2254x4=168x8=6416x16=256

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.

An even power. Square numbers have an odd number of factors.