
Number Theory Number Theory Math Forum 
 LinkBack  Thread Tools  Display Modes 
December 31st, 2018, 09:18 AM  #1 
Newbie Joined: Dec 2018 From: Norway Posts: 1 Thanks: 0  Niven numbers and descriptive numbers
Hi. I have a problem relating niven numbers and selfdescriptive numbers. It's posted below. Basically what I've done to try and solve the problem is to look at the wikipage of these numbers. I've tried bruteforce but this didn't work. I bruteforced by looking at if the numbers are niven numbers in the bases given in the question. I couldn't find a number which satisfied the conditions that were set in the question, and therefore I think it is an impossible task. I'm quite sure that there is an answer though so if someone could tell me what I did wrong or maybe lead me towards the answer I'd be very greatful. Here is the problem: 

Tags 
descriptive, niven, numbers 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Dimensions, and numbers beyond real numbers  Elektron  Math  4  May 7th, 2017 11:47 AM 
Can Negative Numbers be Considered as Odd or Even Numbers?  Monox D. IFly  Elementary Math  3  April 20th, 2015 10:54 PM 
Probability Of Consecutive Numbers When Numbers Are Paired  EvanJ  Advanced Statistics  1  January 26th, 2015 05:32 AM 
The paradox between prime numbers and natural numbers.  Eureka  Number Theory  4  November 3rd, 2012 03:51 AM 
Expectation of picking all N numbers from N distinct numbers  abcbc  Advanced Statistics  1  October 1st, 2012 04:14 PM 