On Composite Odd Numbers k for Which 2(n)k is a Noncototient for All Positive Integers n

Journal article

Peer reviewed

Marcos J. Gonzalez, Alberto Mendoza, Florian Luca and V. Janitzio Mejia Huguet

Journal of integer sequences, Vol.24(9)

01/01/2021

Abstract

Mathematics

Physical Sciences

Science & Technology

We provide some results relating Riesel numbers with families of cototients and noncototients.

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Title: On Composite Odd Numbers k for Which 2(n)k is a Noncototient for All Positive Integers n
Creators - without role: Marcos J. Gonzalez - Univ Simon Bolivar, Dept Matemat Puras & Aplicadas, Apartado 89000, Caracas 1080, Venezuela
Alberto Mendoza - Univ Simon Bolivar, Dept Matemat Puras & Aplicadas, Apartado 89000, Caracas 1080, Venezuela
Florian Luca - University of the Witwatersrand
V. Janitzio Mejia Huguet - Univ Autonoma Metropolitana Azcapotzalco, Dept Ciencias Basicas, Av San Pablo 180, Azcapotzalco 02200, DF, Mexico
Publication Details: Journal of integer sequences, Vol.24(9)
Publisher: Univ Waterloo
Number of pages: 6
Grant note: Grant UAM-A
Identifiers: 9937844908331
Academic Unit: King Abdulaziz University
Language: English
Resource Type: Journal article