All about
flooble

fun stuff

Get a free chatterbox

Free JavaScript

Avatars
perplexus
dot
info
Home
>
Just Math
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
No Rating
Comments: (
Back to comment list
 You must be logged in to post comments.
)
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
Please log in:
Login:
Password:
Remember me:
Sign up!

Forgot password
Search:
Search body:
Forums (4)
Newest Problems
Random Problem
FAQ

About This Site
Site Statistics
New Comments (0)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
blackjack
flooble's webmaster puzzle
Copyright © 2002  2019 by
Animus Pactum Consulting
. All rights reserved.
Privacy Information