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Brazilian numbers (Posted on 2017-07-15) Difficulty: 3 of 5
Definition: "Brazilian" numbers ("les nombres brésiliens" in French)are numbers n such that exists a natural number k with 1<k< (n-1) such that the representation of n in base k has all equal digits.

1.Prove that all even numbers above 6 are Brazilian numbers.
2. How many odd Brazilian numbers are there below 100?

See The Solution Submitted by Ady TZIDON    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/Tipsre: Part 1 Solution and moreAdy TZIDON2017-07-28 11:52:17
Program had a bug -- fixed itCharlie2017-07-15 12:36:30
Solutionre: Part 1 Solution and moreSteve Herman2017-07-15 11:42:56
SolutionPart 1 Solution and moreBrian Smith2017-07-15 09:49:24
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