Transforming the Erdős-Kac theorem
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866908402081333248 |
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| author | Noguchi, Kimihiro |
| author_facet | Noguchi, Kimihiro |
| contents | Transforming the Erdős-Kac theorem provides more flexibility in how the theorem can be utilized as an interval estimate for the prime omega function, which counts the number of distinct prime divisors. Here, we consider a direct transformation by the delta method. Then, we demonstrate that the square-root and three-quarters power asymptotically achieve variance stabilization and an optimal width, respectively. Furthermore, by adjusting the denominator of the theorem, we derive the score interval estimate. To make these interval estimates reliable for small positive integers, we examine performances of various interval estimates for the prime omega function using fuzzy coverage probabilities. The results indicate that the score interval estimate performs well even for small positive integers after training the mean and standard deviation using the prime omega function. Moreover, the Poisson interval estimate is relatively reliable with or without training. Additional theoretical results on the Erdős-Pomerance theorem are also provided. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_08503 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Transforming the Erdős-Kac theorem Noguchi, Kimihiro Number Theory Probability Statistics Theory 11N40 (Primary) 62E20, 60F05 (Secondary) Transforming the Erdős-Kac theorem provides more flexibility in how the theorem can be utilized as an interval estimate for the prime omega function, which counts the number of distinct prime divisors. Here, we consider a direct transformation by the delta method. Then, we demonstrate that the square-root and three-quarters power asymptotically achieve variance stabilization and an optimal width, respectively. Furthermore, by adjusting the denominator of the theorem, we derive the score interval estimate. To make these interval estimates reliable for small positive integers, we examine performances of various interval estimates for the prime omega function using fuzzy coverage probabilities. The results indicate that the score interval estimate performs well even for small positive integers after training the mean and standard deviation using the prime omega function. Moreover, the Poisson interval estimate is relatively reliable with or without training. Additional theoretical results on the Erdős-Pomerance theorem are also provided. |
| title | Transforming the Erdős-Kac theorem |
| topic | Number Theory Probability Statistics Theory 11N40 (Primary) 62E20, 60F05 (Secondary) |
| url | https://arxiv.org/abs/2506.08503 |