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November 28, 2014

November 28, 2014

Posted by **K** on Sunday, January 9, 2011 at 5:07pm.

- Math -
**MathMate**, Sunday, January 9, 2011 at 6:26pmThe smallest 5-digit number is 10000 and its square-root is 100.

The largest 5-digit number is 99999 and its square-root is 316.23.

Thus the square of all integers between 100 and 316 inclusively will yield a perfect square between 10000 and 99999.

How many integers are there?

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