Four. 4 = square of 2 Double of 4 = 8.... 8 is cube of 2
The positive square root is.
One of them is, the other is not.
124
Select the other number so that it is bigger than the square number!
It is a natural number. It is a positive integer. It is a positive rational number. It is a positive real number. It is a perfect square. It is a three digit integer. It is a palindromic integer. Probably many other sorts.
No - the ONLY natural number which has a reciprocal which is also a natural number is "1". All the other reciprocals of natural numbers will be fractions that are less than 1.
The other number is -5.
Any even number you square will give you a even square number =)
Square numbers have an odd number of factors.
Same as you would square any other number - multiply it by itself.
There is no perfect square number between 1 and 4. On the other hand, every number is a square - or its square roots.
On some calculators, you press the number, then you press the key for square root. On other calculators - the more modern ones - there is a more natural input: you press the key for square root, then the number, and finally the equal sign to indicate you won't add anything else to the calculation.