Mathematics Homework Help

Mathematics Homework Help. 2 MATHCOUNTS Questions: Solve Either one or even both to get best answer!!!

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

200. If 2015 + a = b for positive integers a and b, both of which are palindromes, what is the
smallest possible value of a?

Mathematics Homework Help

 
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