| http://www.w3.org/ns/prov#value | - As it turns out, there have only ever been two counter-examples found, and they are the answer to this week???s puzzle: 5,777 and 5,993 are the only odd composite numbers (5,777 = 53*109; 5,993 = 13*461) that cannot be expressed as 2(n2)+p where n is a positive integer and p is a prime.
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