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Infinite Sets of Related b-wARH Pairs

DOI: 10.4236/ojdm.2020.101001, PP. 1-3

Keywords: Palindrome, Integer Number Theory, Numeration Base

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Abstract:

Let b ≥ 2 be a numeration base. A b-weak additive Ramanujan-Hardy (or b-wARH) number N is a non-negative integer for which there exists at least one non-negative integer A, such that the sum of A and the sum of base b digits of N, added to the reversal of the sum, give N. We say that a pair of such numbers are related of degrees d ≥ 0 if their difference is d. We show for all numeration bases an infinity of degrees d for which there exists an infinity of pairs of b-wARH numbers related of degree d.

References

[1]  Nițică, V. (2018) About Some Relatives of the Taxicab Number. Journal of Integer Sequences, 21, Article 18.9.4.
[2]  Nițică, V. (2019) Infinite Sets of b-Additive and b-Multiplicative Ramanujan-Hardy Numbers. Journal of Integer Sequences, 22, Article 19.4.3.
[3]  Nițică, V. and Török, A. About Some Relatives of Palindromes. arXiv:1908.00713.
[4]  Nițică, V. High Degree b-Niven Numbers, to Appear in Integers.
http://arxiv.org/abs/1807.02573

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