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Q: What is a square number between 1 and 4?

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1 and 4

4

The even-ness of the number is not relevant. The square root of 1, 4, 9 and 16 are 1, 2, 3 and 4, because 1*1 is 1, 2*2 is 4, 3*3 is 9 and 4+4 is 16. The numbers in between are irrational: The square root of 2 is 1.4 and a bit, the square root of 3 is 1.7 and a bit.

1, 4 and 9

A square number is one that is produced when one number is multiplied by itself. The squares from 1 to 40 are 1, 4, 9, 16, 25 and 36.

No. 4*4 = 16 and 5*5 = 25 So the square root of 24 must be between 4 and 5. But there is no integer between 4 and 5. So 24 is not a square number.

Because the number is the square of its units digit, it must be the square of a number between 1 and 9. Look at the squares of the first nine numbers.The square of 1 is 1.The square of 2 is 4.The square of 3 is 9.The square of 4 is 16.The square of 5 is 25.The square of 6 is 36.The square of 7 is 49.The square of 8 is 64.The square of 9 is 81.Of these numbers, 1, 25, and 36 are squares of their units digit.

-4

The square root of 16 is ±4 which is the rational number ±(4/1)

1, 4, 9, 16, 25, 36, 49, 64, 81 and 100. Although actually, every number between 1 and 100 is a square number.

Square root of -1 is an imaginary number (√-1 = i), √-16 = √-1 * √16 √-16 = i * 4 √-16 = 4 i

1 and 4

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