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

Home > Just Math
Summing consecutive factorials (Posted on 2018-06-26) Difficulty: 1 of 5
1!=1^2; 1!+2!+3!=3^2
Are there any other sums of n consecutive factorials that sum up to a perfect square?

Either list them all or prove there are none.

No Solution Yet Submitted by Ady TZIDON    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(5): If you don't have to start with 1 ...Daniel2018-06-26 20:36:47
re(4): If you don't have to start with 1 ...Daniel2018-06-26 20:23:20
re(3): If you don't have to start with 1 ...xdog2018-06-26 12:19:17
re(2): If you don't have to start with 1 ...Daniel2018-06-26 12:00:27
Some Thoughtsre: If you don't have to start with 1 ...Steve Herman2018-06-26 10:19:37
If you don't have to start with 1 ...Larry2018-06-26 10:13:21
analytical solutionDaniel2018-06-26 10:02:58
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 (7)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information