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December 31st, 2018, 10:18 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: 

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descriptive, niven, numbers 
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