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A remark on a paper of Luca
- Source :
- Acta Mathematica Hungarica. 113:313-318
- Publication Year :
- 2006
- Publisher :
- Springer Science and Business Media LLC, 2006.
-
Abstract
- It is proved that the set of those natural numbers which cannot be written as n-Ω(n) is of positive lower density. Here Ω(n) is the number of the prime power divisors of n. This is a refinement of a theorem of F. Luca.
Details
- ISSN :
- 15882632 and 02365294
- Volume :
- 113
- Database :
- OpenAIRE
- Journal :
- Acta Mathematica Hungarica
- Accession number :
- edsair.doi...........9d0dc7a922f59bd402d71fff8040509a