|
Home > Numbers
Problems dealing with numbers, digits, and such other purely abstract rubbish.
|
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.
Page 59 of 167 |
<< prev
next >>
|
Calling spade a spade | Posted on 2018-10-07 by Ady TZIDON (No Solution Yet, 1 Comments) Feathers of different colors | Posted on 2018-10-06 by Ady TZIDON (No Solution Yet, 2 Comments) Equal values | Posted on 2018-10-01 by Ady TZIDON (Solution Posted, 4 Comments) Prime magic | Posted on 2018-09-29 by Ady TZIDON (No Solution Yet, 4 Comments) Prime phone | Posted on 2018-09-28 by Ady TZIDON (No Solution Yet, 1 Comments) A logical search | Rating: 1.50 Posted on 2018-09-24 by Ady TZIDON (Solution Posted, 10 Comments) A square divides concatenation | Posted on 2018-09-22 by Ady TZIDON (Solution Posted, 1 Comments) Cash Box | Rating: 3.00 Posted on 2018-09-19 by Charlie (Solution Posted, 2 Comments) Always solvable | Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments) Fibo meets Lucas #1 | Posted on 2018-09-09 by Ady TZIDON (No Solution Yet, 2 Comments) Compare them | Posted on 2018-09-08 by Ady TZIDON (No Solution Yet, 7 Comments) Around the beast number | Posted on 2018-09-04 by Ady TZIDON (No Solution Yet, 4 Comments) Ones vs twos | Rating: 3.00 Posted on 2018-09-03 by Ady TZIDON (No Solution Yet, 48 Comments) Summing up factorials | Posted on 2018-09-02 by Ady TZIDON (No Solution Yet, 1 Comments) Sufficient or not? | Rating: 5.00 Posted on 2018-08-29 by Ady TZIDON (No Solution Yet, 6 Comments) |
|
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|