1961/04/01 by Trygve Nagell · 66 citations
Mathematics · Computer Science · #Algebraic Geometry and Number Theory #Topological and Geometric Data Analysis #Mathematical Dynamics and Fractals #Diophantine equation #Diophantine set #Legendre's equation #Mathematics #Pure mathematics
paper · pdf · doi:10.1007/bf02592006
published in Arkiv för matematik 4(2-3), 185-187 (Mittag-Leffler Institute)
openalex publication_date 1961/04/01 · openalex created_date 2017/02/24 · openalex updated_date 2026/08/05
a proof of the following theorem: 1 When x is a positive integer, the number x ~ + 7 is a power of 2 only in the/ollowing [ive cases: x = 1, 3, 5, 11, 181.