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Because numbers are infinite, there is an infinite number of answers.

e.g. What number should be added to 2 to make a perfect square?

2+2=4 (a perfect square)

2+7=9 (a perfect square)

2+14=16 (a perfect square)

2+23=25 (a perfect square)

etc...

Did you have a specific number in mind.

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Here is how you can calculate that.* Take the square root of your number.

* Round that up to the nearest integer. That's your perfect square.

* Subtract that number, minus your number, to find out how much you need to add.

Q: What number should be added to a number to get a perfect square?

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It is: 64 because the square root of 1089 is 33

(Y2 + Y) added to (Y + 1) will always give a perfect square [of (Y + 1)2].

sqrt(81180) = 284.9 So the next square is 285. 2852 = 81225 so need to add 45

35, which makes 66 squared.

The answer is 19.

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It is: 64 because the square root of 1089 is 33

23 because 97321+23 = 97344 which is a square number and its square root is 312

Hi, do you mean what square number is closest to 4321? 66 squared is 4356 which is 35 from 4321 if that's what you mean? it mean that 35 is least no. whih should be added to 4321 to make it perfect square

5607 + 18 = 5625, a perfect square. The perfect square of a square root is the number you started with.

21

(Y2 + Y) added to (Y + 1) will always give a perfect square [of (Y + 1)2].

Try 25

24 should be added because 68 times 68 = 4624

144

125

sqrt(81180) = 284.9 So the next square is 285. 2852 = 81225 so need to add 45

62