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math.NT2026
Ratio of sum of digits functions in two bases
Pascal Jelinek
In 2019 La Bretèche, Stoll and Tennenbaum showed that the ratio of the sum of digits function of two multiplicatively independent bases and is d…
math.NT2026
Binomial coefficients coprime to 6
Pascal Jelinek
It is a well known result by Singmaster that any integer divides almost all binomial coefficients. The study of the structure and the size of the exceptional set has been of in…