A Generalization of t-Practical Numbers
This paper generalizes and improves the results of Margenstren, by proving that the number of -practical numbers which is defined by has a lower bound in terms of . This bound is more sharper than Mangenstern bound when Further general results are given for the existence of -practical numbers, b...
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| Format: | Article |
| Language: | English |
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University of Baghdad, College of Science for Women
2020-12-01
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| Series: | مجلة بغداد للعلوم |
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| Online Access: | https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4195 |
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| author | Saad abood Baddai |
| author_facet | Saad abood Baddai |
| author_sort | Saad abood Baddai |
| collection | DOAJ |
| description | This paper generalizes and improves the results of Margenstren, by proving that the number of -practical numbers which is defined by has a lower bound in terms of . This bound is more sharper than Mangenstern bound when Further general results are given for the existence of -practical numbers, by proving that the interval contains a -practical for all |
| format | Article |
| id | doaj-art-00dbd88a92fc4568a40f811210cba77d |
| institution | DOAJ |
| issn | 2078-8665 2411-7986 |
| language | English |
| publishDate | 2020-12-01 |
| publisher | University of Baghdad, College of Science for Women |
| record_format | Article |
| series | مجلة بغداد للعلوم |
| spelling | doaj-art-00dbd88a92fc4568a40f811210cba77d2025-08-20T03:16:19ZengUniversity of Baghdad, College of Science for Womenمجلة بغداد للعلوم2078-86652411-79862020-12-0117410.21123/bsj.2020.17.4.1250A Generalization of t-Practical NumbersSaad abood Baddai0University of BaghdadThis paper generalizes and improves the results of Margenstren, by proving that the number of -practical numbers which is defined by has a lower bound in terms of . This bound is more sharper than Mangenstern bound when Further general results are given for the existence of -practical numbers, by proving that the interval contains a -practical for allhttps://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4195Bound for the t-practical numbers, Existence of t-practical numbers in an interval, Practical numbers, t-practical numbers. |
| spellingShingle | Saad abood Baddai A Generalization of t-Practical Numbers مجلة بغداد للعلوم Bound for the t-practical numbers, Existence of t-practical numbers in an interval, Practical numbers, t-practical numbers. |
| title | A Generalization of t-Practical Numbers |
| title_full | A Generalization of t-Practical Numbers |
| title_fullStr | A Generalization of t-Practical Numbers |
| title_full_unstemmed | A Generalization of t-Practical Numbers |
| title_short | A Generalization of t-Practical Numbers |
| title_sort | generalization of t practical numbers |
| topic | Bound for the t-practical numbers, Existence of t-practical numbers in an interval, Practical numbers, t-practical numbers. |
| url | https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4195 |
| work_keys_str_mv | AT saadaboodbaddai ageneralizationoftpracticalnumbers AT saadaboodbaddai generalizationoftpracticalnumbers |