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Q: Why are square numbers not even?

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No

No. The square roots 8 are irrational, as are the square roots of most even numbers.

yes

No - all squares of even numbers are even - while all squares of odd numbers are odd.

36,64,100,144,196 are the even square numbers between1-200

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

No; most are not, not even close. 2 is not a square, 6 is not a square, 8 is not a square, 10 is not a square, 12 is not a square, and 14 is not a square, just for starters. Only a very small proportion of even numbers are squares: 4, 16, 36, 64, 100, 144, 196, 256, 324, 400....

6

The factors of all numbers can be written in pairs. With square numbers, one of those pairs is the same number twice. When listed singly, square numbers have an odd number of factors. All others are even.

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

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.

No, but only in the case of the number 1 (12=1) are square numbers odd.

Not necessarily. Square numbers don't.

No.

Not necessarily, but at least ''one'' of them must be even, unless the two numbers are both the (irrational) square root of the same even number.

Any square of the infinitely many 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, ...}

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

101

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.

Square numbers have an odd number of factors. All others are even.

No. Perfect square numbers have an odd number of factors.

6 with any even exponent, like 36 or 1296.

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

Any even exponent of 3 is a square number.