Proof Without Words: Perfect Numbers Modulo 7

DOI10.4169/COLLEGE.MATH.J.48.1.17zbMATH Open1443.97009OpenAlexW2584126649MaRDI QIDQ4581636

Roger B. Nelsen

Publication date: 20 August 2018

Published in: The College Mathematics Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4169/college.math.j.48.1.17

Mathematics Subject Classification ID

Number theory (educational aspects) (97F60)

Related Items (1)

A word on 7 letters which is non-repetitive up to mod 5

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