Definition:Non-Pythagorean Prime

Definition
A non-Pythagorean prime is an odd prime number of the form:
 * $p = 4 n + 3$

where $n \in \Z_{\ge 0}$ is a positive integer.

Also see

 * Fermat's Two Squares Theorem: such a prime number is never the sum of two squares


 * Definition:Pythagorean Prime