Home > Numbers
| Terminating in seven sevens (Posted on 2009-06-26) |
 |
Determine the minimum value of a positive base ten integer N, such that each of the last seven digits of N3 is 7 but the eighth digit from the right in N3 is not 7.
|
|
Submitted by K Sengupta
|
|
No Rating
|
|
|
Solution:
|
(Hide)
|
The required minimum value of N is 9660753.
For an explanation, refer to the solution submitted by Charlie in this location.
|
Comments: (
You must be logged in to post comments.)
|
|
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (14)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|
