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Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

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Perfect repdigits
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by Kevin Broughan, Sergio Guzman Sanchez and Florian Luca PDF
Math. Comp. 82 (2013), 2439-2459 Request permission

Abstract:

Here, we give an algorithm to detect all perfect repdigits in any base $g>1$. As an application, we find all such examples when $g\in [2,\ldots ,333]$, extending a calculation from [2]. In particular, we demonstrate that there are no odd perfect repdigits for this range of bases.
References
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Additional Information
  • Kevin Broughan
  • Affiliation: Department of Mathematics, University of Waikato, Hamilton 3216, New Zealand
  • Email: kab@waikato.ac.nz
  • Sergio Guzman Sanchez
  • Affiliation: Instituto de Matemáticas, Universidad Nacional Autonoma de México, C.P. 58089, Morelia, Michoacán, México
  • Email: sguzman@matmor.unam.mx
  • Florian Luca
  • Affiliation: Instituto de Matemáticas, Universidad Nacional Autonoma de México, C.P. 58089, Morelia, Michoacán, México
  • MR Author ID: 630217
  • Email: fluca@matmor.unam.mx
  • Received by editor(s): March 3, 2011
  • Received by editor(s) in revised form: June 9, 2011, August 9, 2011, September 5, 2011, December 14, 2011, December 22, 2011, January 11, 2012, and January 24, 2012
  • Published electronically: March 18, 2013
  • © Copyright 2013 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Math. Comp. 82 (2013), 2439-2459
  • MSC (2010): Primary 11A63, 11A05, 11A25
  • DOI: https://doi.org/10.1090/S0025-5718-2013-02682-8
  • MathSciNet review: 3073209