Question of the Day #270 (1/6/10)

[Kazza]

The square of 13 is 169. Take the last digit of the square, 9, and place it in the middle, making 196. This is the square of 14, the next number above 13. What are the next numbers which also have this property? You need BOTH numbers not just one.


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[Popeye70]

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[AngelFZ]

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[Bates121]

Pm sent think i did my math right

 

[SirIsaac]

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[Kazza]

The square of 13 is 169. Take the last digit of the square, 9, and place it in the middle, making 196. This is the square of 14, the next number above 13. What are the next numbers which also have this property? You need BOTH numbers not just one.

The numbers are:
157 (24649) and 158 (24964)


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