Search Results for: 11A41

On Vandiver’s arithmetical function – II

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 710–718 DOI: 10.7546/nntdm.2022.28.4.710-718 Full paper (PDF, 201 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeş-Bolyai University … Continue reading →

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Note on the natural density of r-free numbers

Sunanta Srisopha, Teerapat Srichan and Sukrawan Mavecha Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 3, Pages 435–440 DOI: 10.7546/nntdm.2022.28.3.435-440 Full paper (PDF, 230 Kb) Details Authors and affiliations Sunanta Srisopha … Continue reading →

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About the theorem that partially solves the Navarrete–Orellana Conjecture

Jorge Andrés Julca Avila and Gabriel Silva de Andrade Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 2, Pages 302–317 DOI: 10.7546/nntdm.2022.28.2.302-317 Full paper (PDF, 344 Kb) Details Authors and affiliations … Continue reading →

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On certain inequalities for the prime counting function – Part II

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 1, Pages 124–128 DOI: 10.7546/nntdm.2022.28.1.124-128 Full paper (PDF, 149 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeș-Bolyai University … Continue reading →

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On the dimension of an Abelian group

Timo Tossavainen and Pentti Haukkanen Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 4, Pages 267–275 DOI: 10.7546/nntdm.2021.27.4.267-275 Full paper (PDF, 192 Kb) Download Corrigendum: PDF, 110 Kb) Details Authors and … Continue reading →

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On certain inequalities for the prime counting function

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 4, Pages 149–153 DOI: 10.7546/nntdm.2021.27.4.149-153 Full paper (PDF, 148 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeș-Bolyai University … Continue reading →

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Formulas for the n-th prime number

Krassimir T. Atanassov Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 4, Pages 129–139 DOI: 10.7546/nntdm.2021.27.4.129-139 Full paper (PDF, 205 Kb) Details Authors and affiliations Krassimir T. Atanassov Department of Bioinformatics … Continue reading →

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New consequences of prime-counting function

Sadani Idir Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 4, Pages 25–31 DOI: 10.7546/nntdm.2021.27.4.25-31 Full paper (PDF, 204 Kb) Details Authors and affiliations Sadani Idir Department of Mathematics, University of … Continue reading →

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On Vandiver’s arithmetical function – I

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 3, Pages 29–38 DOI: 10.7546/nntdm.2021.27.3.29-38 Full paper (PDF, 218 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeş-Bolyai University … Continue reading →

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Significant role of the specific prime number p = 257 in the improvement of cryptosystems

Hana Ali-Pacha, Naima Hadj-Said, Adda Ali-Pacha and Özen Özer Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367-8275 Volume 26, 2020, Number 4, Pages 213–222 DOI: 10.7546/nntdm.2020.26.4.213-222 Full paper (PDF, 156 Kb) Details Authors and affiliations … Continue reading →

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