Some inequalities concerning Smarandache's function

نویسندگان

  • Sabin Tabirca
  • Tatiana Tabirca
چکیده

The objectives of this article are to study the sum IS(d) and to find some upper din bounds for Smarandache's function. This sum is proved to satisfy the inequality IS(d) ~ n at most all the composite numbers, Using this inequality, some new din upper bounds for Smarandache's function are found. These bounds improve the well-known inequality Sen) ~ n.

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تاریخ انتشار 2014