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

Home > Numbers
Cubes as factorials' sum (Posted on 2018-06-23) Difficulty: 3 of 5
How many perfect cubes below 10^6 can be expressed as the sum of two or more unique integer factorials ?

List them all.

Examples: 2!+3!=8; 1!+2!+4!=27.

Rem: 0! is not allowed.

  Submitted by Ady TZIDON    
No Rating
Solution: (Hide)
8,27,729

Comments: ( You must be logged in to post comments.)
  Subject Author Date
computer searchSteven Lord2018-06-23 10:14:22
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 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information