Journal of Integer Sequences, Vol. 24 (2021), Article 21.6.7

Multiplicative Persistence and Absolute Multiplicative Persistence


T. Lamont-Smith
QinetiQ
St Andrew's Road
Malvern
Worcestershire, WR14 3PS
UK

Abstract:

We investigate the multiplicative persistence of a number for different bases, including for the bijective representation of bases. We also study the absolute multiplicative persistence, which is the largest multiplicative persistence of a number in any base.

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(Concerned with sequences A003001 A064867 A064868 A064869 A064870 A064871 A064872 A330152.)

Received January 30 2020; revised versions received February 11 2020; October 14 2020; March 30 2021; May 19 2021. Published in Journal of Integer Sequences, May 20 2021.

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