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Q: What is an example of an odd number that is a perfect square?

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If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.

-1 is an odd number but not a perfect square.

1 is odd and a perfect square.

an odd number

An odd number.

if a number has an odd number of factors it would be a perfect square

if a number has an odd number of factors it would be a perfect square

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.

A perfect square has an odd number of factors.

A perfect square.

A square number or a perfect square.

a perfect square

A perfect square.

A perfect square.

A perfect square.

12

A perfect square.

A perfect square has an odd number of factors. Factors of numbers always come in pairs -- except for perfect squares. Since the square root of a perfect square is listed only once on the list of factors, it results in a list with an odd number of factors.

Odd. I determined my answer by looking at the number of factors of a square number.

A perfect square.

The square of any odd integer is an odd square number. For example, 3^2 = 9.

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.

A perfect square

A perfect square.

A perfect square