On integers not of the form n - φ (n)

DOI10.4064/CM-68-1-55-58zbMath0820.11003OpenAlexW981007808MaRDI QIDQ4764743

Jerzy Browkin, Andrzej Schinzel

Publication date: 14 September 1995

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/210293

zbMATH Keywords

open problemEuler phi-functionSierpiński problem

Mathematics Subject Classification ID

Arithmetic functions; related numbers; inversion formulas (11A25)

Related Items (3)

Sums of proper divisors follow the Erdős–Kac law ⋮ Unnamed Item ⋮ Variant of a theorem of Erdős on the sum-of-proper-divisors function

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