272

This number is a composite.

+ A palindromic prime-digit composite whose sum of the digits is a palindromic prime. Note that the product of the digits is a perfect number. [Skaflotten]

+ 2722 + 2727 + 2722 + 1 is prime. [Opao]

+ n6 + 272 is composite for all n up to 2162. [Wesolowski]

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