# 1933

This number is a prime.

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The smallest happy balanced prime. [Gaydos]

1^n + 9^n + 3^n + 3^n is a square for n = 0 or any positive integer. 1933 is the smallest prime number for which this is true. [Gaydos]

9331 is the smallest positive integer whose sum of divisors (1933) is its prime anagram. [Gaydos]

(There is one curio for this number that has not yet been approved by an editor.)

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