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A square number is a number that has been produced by multiplying an initial number by itself. This means, if we split the number into its prime factors, we should find duplicates of each prime factor. In the case of 22, it splits up into 2 and 11. There is no partner for the 2 or the 11, and so we can say definitively that 22 is not a square number.

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โˆ™ 2011-09-24 18:10:12
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Q: Why is 22 not a square number?
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Related questions

Is 22 a square number?

no


Estimate 11 - Square root of 22 to the nearest whole number?

-11


What is the 15th square number?

it is 225


Is 22 a perfect square?

No it is not. 22 is not a perfect square because it is not a product of a rational number multiplied by itself. The closest perfect square would be 25


Is 22 a perfect square. Explain your answer?

No it is not. 22 is not a perfect square because it is not a product of a rational number multiplied by itself. The closest perfect square would be 25


Does 2 have a square number?

4 is the square of two (22=2x2=4)


Is 22 a square number and triangular number?

Neither.


When you subtract one square number form the other square number the answer is 12 what are the two square numbers?

42-22=16-4=12


Is 22 a square number explain?

No. A square number is a number that is the result of multiplying a number by itself. I.e. 1x1=1, 2x2=4, 3x3=9, 4x4=16, 5x5=25 1,4,9,16,25 are the first 5 square numbers. 22's factors are 1x22 & 2x11 so it is not a square number v


A square number greater than 16?

22


Will you end up with a square number when you add together any square number?

Not every time. For example 32+42=25 (52) but 22+32=13 (not a square number)


How can you tell by looking at the prime factors of 17640 that the square root of 17640 is not a whole number?

Write the prime factors as powers. In a square number, each prime number appears an even number of times - i.e., an even power. Examples: 4 = 22 (even power, this is a square) 144 = 24 x 32 (all powers are even, this is a square) 12 = 22 x 3 or 22 x 31 (3 has an odd power so it is not a square) (If a number is a perfect square, that is equivalent to saying that its square root is a whole number.) * * * * * In this case there is a particularly fast method. The number ends in 0 so 10 must be a factor of the number. That is to say, 2 and 5 must be prime factors of the number. If it is a square then 22 and 52 must be factors of the number ie 22 x 52 = 100 must be a factor. But if 100 is a factor, the number must end in 00. It does not so it cannot be a square.


How many square number between 500 and 2000?

22 of them.


What is the smallest whole number 24 could be multiplied by to make a square number?

24 = 2 x 2 x 2 x 3 = 22 x 2 x 3 To get a square number, the smallet whole number is 6 (2 x 3) to obtain squared members : 22 x 22 x 32 = 144 = 122


Is the square of a whole number is always an odd number true or false?

False. 22 = 4


When you square a whole number you always get an odd number true or false?

False. 22 = 4


What is a square and a square root?

A Square of a number is when the number is multiplied with itself Ex: 22 = 2 * 2 Square root of a number is a number which when multiplied with itself returns the first number. Ex: Square root of 25 is 5 because 25 = 5 * 5


What is the smallest square number greter than 1?

22 = 4.


What is the two digit number that is a perfect square and has 7 factors?

22


What is the square root of 2 squared?

The square root of 2 squared is 2. sqrt(22)=2 The square root function and the exponent 2 and opposite function and cancel each other out. 22=4 sqrt(4)=2 =>sqrt(22)=2 What is the (square root of 2) squared - If you take the square root of a number then square it the answer is the number itself, so the answer is 2! What is the square root of (2 squared) - Looking at the question another way, if you take a number and square it, the square root of the resulting answer is the number itself, so the answer is 2! Unless, of course, this is a trick question . . . ivj


How many square feet is 11x2?

22 square feet. Multiply the two dimensions - the result is the number of square feet.


When you subtract 1 square number from another the answer is 3 what are the square numbers?

22 - 12 = 4 - 1 = 3


What is a number you can square and get a number bigger than 400 but smaller than 500 ansered?

21 and 22


What is the smallest possible square number with the digits 3 and 4?

4(22)


Is 3 a square number?

No, square numbers are numbers that are the square of a whole number, such as: 12 = 1; 22 = 4; 32 = 9; etc. The numbers 1, 4, 9, etc. are the square numbers.