perplexus.info :: Numbers

Home > Numbers

Problems dealing with numbers, digits, and such other purely abstract rubbish.

Latest: A Sixth Root Quickie

Without using a calculator, determine the positive integer value of x that satisfy this equation:

x⁶ = 244140625

Submitted on 2024-11-28 by K Sengupta

Page 65 of 167

<< prev next >>

4 digit number derived from a single digit |
Posted on 2018-02-26 by Ady TZIDON (No Solution Yet, 3 Comments)

Sum of subfactorials |
Posted on 2018-02-25 by Ady TZIDON (Solution Posted, 3 Comments)

Completing a triplet |
Posted on 2018-02-24 by Ady TZIDON (Solution Posted, 5 Comments)

A sixth power in many ways |
Posted on 2018-02-22 by Ady TZIDON (No Solution Yet, 1 Comments)

Strictly non-palindromic numbers |
Posted on 2018-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)

Let's make a deal | Rating: 5.00
Posted on 2018-02-17 by Ady TZIDON (Solution Posted, 1 Comments)

Four fours |
Posted on 2018-02-14 by Ady TZIDON (No Solution Yet, 7 Comments)

Choosing the right number |
Posted on 2018-02-13 by Ady TZIDON (Solution Posted, 6 Comments)

Using nine positive digits |
Posted on 2018-02-11 by Ady TZIDON (Solution Posted, 3 Comments)

Only six distinct digits |
Posted on 2018-02-10 by Ady TZIDON (Solution Posted, 1 Comments)

En francais seulement ! |
Posted on 2018-02-09 by Ady TZIDON (Solution Posted, 3 Comments)

Not all a's are in |
Posted on 2018-02-06 by Ady TZIDON (Solution Posted, 4 Comments)

A couple of squares |
Posted on 2018-02-02 by Ady TZIDON (Solution Posted, 9 Comments)

Cute numbers |
Posted on 2018-02-01 by Ady TZIDON (No Solution Yet, 4 Comments)

How many numbers in the end? |
Posted on 2018-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)

Please log in:

Forums (4)
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:


perplexus dot info