Attractive numbers: Difference between revisions

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 This entry uses:
-* `is_prime` as defined at https://rosettacode.org/wiki/Erd%C5%91s-primes#jq
+* `is_prime` as defined at [[Erd%C5%91s-primes#jq | Erdős primes]] on RC
-* `prime_factors` as defined at https://rosettacode.org/wiki/Smith_numbers#jq
+* `prime_factors` as defined at [[Smith_numbers#jq | Smith numbers]] on RC
 <lang jq>
 def count(s): reduce s as $x (null; .+1);