All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers > Sequences
Flawless Series? (Posted on 2003-11-29) Difficulty: 3 of 5
What are the next three numbers in this sequence? 6, 28, 496, 8128, ... ? Please explain how you determined these three numbers.

See The Solution Submitted by SilverKnight    
Rating: 2.8889 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Some thoughts on the problem Comment 67 of 67 |
(In reply to Some thoughts on the problem by K Sengupta)

Now that I see K. Sengupta's solution, it makes sense to me.  However, there are simply not enough information given in the problem to determine whether it is a series of perfect numbers or whether it follows the formula I gave (which I now see was originally found by Euclid); the only clue is the "flawless" in the problem title, which leads me to believe that K. Sengupta is correct, and that I (and Euclid) are not.
  Posted by Ed on 2007-10-19 20:04:28

Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information