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
Difficulty: 3 of 5 Latest: Once and Twice
Find the smallest whole number N such that N contains all of the digits from 0 through 9, and N2 contains all of the digit pairs 00, 11, 22, ..., 99.

(No Solution Yet, 0 Comments) Submitted on 2024-05-17 by K Sengupta   
Page 6 of 159   << prev next >>    
Difficulty: 3 of 5Quadratic Primes |
Posted on 2024-02-07 by Steven Lord (Solution Posted, 2 Comments)
Difficulty: 3 of 5 Divisor and Quotient Determination | Rating: 4.50
Posted on 2024-02-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Same Digits #4 |
Posted on 2024-02-04 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Neponacci. | Rating: 4.00
Posted on 2024-02-01 by broll (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pythagorean Triples #1 | Rating: 5.00
Posted on 2024-01-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum of Ratios is an Integer | Rating: 5.00
Posted on 2024-01-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Permutation | Rating: 5.00
Posted on 2024-01-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Same Digits #3 | Rating: 5.00
Posted on 2024-01-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Foreheads | Rating: 5.00
Posted on 2024-01-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cube + Single Digit = Perfect Square | Rating: 5.00
Posted on 2024-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rose-Innes are Squares | Rating: 5.00
Posted on 2024-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find the Last Two Digits II |
Posted on 2024-01-20 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5AOUT and TUOA | Rating: 5.00
Posted on 2024-01-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Power Heronian | Rating: 5.00
Posted on 2024-01-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Another Four Reals |
Posted on 2024-01-17 by Larry (No Solution Yet, 2 Comments)
 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:

blackjack

flooble's webmaster puzzle

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