Erdős-primes

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Revision as of 19:48, 19 March 2021 by Petelomax (talk | contribs) (deleted entries, are all now on the additive numbers page)
Erdős-primes is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.
Definitions

In mathematics, Erdős-primes are prime numbers which sum of digits are also primes.


Task

Write a program to determine (and show here) all Erdős-primes whose elements are less than 500.

Optionally, show the number of Erdős-primes.


Also see



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