On the tens digit of a prime power

Chattopadhyay, Siddhartha Sankar (2021) On the tens digit of a prime power. At Right Angles (9). pp. 76-78. ISSN 2582-1873

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Abstract

In this note, we prove that the tens digit of any power of an infinite number of prime numbers is even. This is a generalization of a problem that appeared in the Regional Mathematics Olympiad in 1993.

Item Type: Articles in APF Magazines
Authors: Chattopadhyay, Siddhartha Sankar
Document Language:
Language
English
Uncontrolled Keywords: Prime number, Regional Mathematics Olympiad (RMO)
Subjects: Natural Sciences > Mathematics
Divisions: Azim Premji University > University Publications > At Right Angles
Full Text Status: Public
URI: http://publications.azimpremjifoundation.org/id/eprint/2636
Publisher URL:

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