Repunit Primes

Shirali, Shailesh (2022) Repunit Primes. At Right Angles (14). pp. 45-46. ISSN 2582-1873

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Abstract

A repunit is a natural number all of whose digits are 1; see [2]. (Here, numbers are expressed in base ten.) Elsewhere in this issue of the magazine, Sasikumar proves two properties of such numbers. In this short note we consider the question of which repunits are prime numbers.

Item Type:	Articles in APF Magazines
Authors:	Shirali, Shailesh
Document Language:	Language English
Uncontrolled Keywords:	Repunit, Natural number, Digit 1, Mathematics
Subjects:	Natural Sciences > Mathematics
Divisions:	Azim Premji University > University Publications > At Right Angles
Full Text Status:	Public
URI:	http://publications.azimpremjiuniversity.edu.in/id/eprint/4179
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