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A Certain Type of Number Expressible as the Sum of Two Squares

by B. Suryanarayana Rao

This article originally appeared in:
Mathematics Magazine
September, 1984

Subject classification(s): Algebra and Number Theory | Number Theory | Diophantine Equations
Applicable Course(s): 4.3 Number Theory

Integers equaling the sum of the squares of their contiguous parts (a generalization of two-digit numbers which are the sum of the squares of their digits) are discussed, with several examples.

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Capsule Course Topic(s):
Number Theory | Numbers With Special Forms or Properties, Sums of Powers
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