3307
This number is a prime.
Smallest prime of the form 2*x^3 + y^3 + z^3, according to
computer search on data of Allan J. MacLeod: 3307 = 2*13896334^3 + (-5049077)^3 + (-17367182)^3. [Post]
(There is one curio for this number that has not yet been approved by an editor.)
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