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Perfect Square Digit (
Posted on 20150817
)
The last two digits of a perfect square N,
having at least 3 digits
, is 09 (in this order).
Is the hundreds digit of N always even? Give reasons for your answer.
No Solution Yet
Submitted by
K Sengupta
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Comments: (
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)
Can't find any under 10 billion
 Comment 1 of 2
For n100 = 1 To 99999999
n = 100 * n100 + 9
sr = Int(Sqr(n) + 0.5)
If sr * sr = n And n100 Mod 2 = 1 Then
Text1.Text = Text1.Text & n & crlf
DoEvents
End If
Next
doesn't find any.
Posted by
Charlie
on 20150818 08:01:58
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