Question by Quoc Tran Anh Le - Discuss with MathYouLike

Quoc Tran Anh Le Coordinator

29/07/2018 at 04:42

How many positive integers have the same digits in the same order when written in base 7 and in base 13?

Mathcounts

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Tôn Thất Khắc Trịnh 31/07/2018 at 08:43

7 numbers: 0,1,2,3,4,5,6 written that in both bases
Quoc Tran Anh Le selected this answer.
Tôn Thất Khắc Trịnh 31/07/2018 at 08:47

*written that

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