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 - Bengaluru > University Publications > At Right Angles
Full Text Status:	Public
URI:	http://publications.azimpremjiuniversity.edu.in/id/eprint/2636
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