All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Numbers
Problems dealing with numbers, digits, and such other purely abstract rubbish.
Sub-Categories (All Problem Categories)
> Sequences
Find the three least positive integers that cannot be written as a!/b! + c!/d! + e!/f! for positive integers a,b,c,d,e,f less than or equal to 5.
(No Solution Yet, 2 Comments) Submitted on 2024-11-26 by Danish Ahmed Khan   
Page 47 of 167   << prev next >>    
Difficulty: 4 of 550 - or more |
Posted on 2020-09-10 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 2 of 52 related tasks |
Posted on 2020-09-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5WG’s unique number | Rating: 3.50
Posted on 2020-09-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Permuted average |
Posted on 2020-09-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Now, before and later |
Posted on 2020-08-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Average Of Digits of powers | Rating: 3.00
Posted on 2020-08-20 by Larry (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Ask and solve cubes |
Posted on 2020-08-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Let's party | Rating: 5.00
Posted on 2020-08-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Digit Number 3 |
Posted on 2020-08-05 by Larry (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Erase a prime | Rating: 3.00
Posted on 2020-08-03 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5For all the tea in China |
Posted on 2020-07-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two Sums of Two Squares | Rating: 4.50
Posted on 2020-07-17 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A prime and a cube | Rating: 4.00
Posted on 2020-07-13 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 57 hypotenuses |
Posted on 2020-07-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Why fight? | Rating: 3.00
Posted on 2020-07-08 by Ady TZIDON (Solution Posted, 3 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (8)
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