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A096128
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Numbers k with the property that reversing the digits and adding the largest digit produces a prime.
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1
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1, 10, 12, 16, 18, 27, 29, 34, 45, 49, 56, 67, 89, 100, 106, 108, 116, 120, 122, 128, 138, 146, 158, 160, 161, 163, 164, 180, 183, 207, 209, 217, 237, 239, 245, 251, 252, 254, 255, 267, 269, 270, 271, 273, 274, 289, 290, 293, 295, 296, 308, 316, 318, 340, 343
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OFFSET
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1,2
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LINKS
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EXAMPLE
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18 is a term because 81 + 8 = 89, a prime.
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MATHEMATICA
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rdQ[n_]:=Module[{idn=IntegerDigits[n]}, PrimeQ[FromDigits[Reverse[ idn]]+ Max[idn]]]; Select[Range[350], rdQ] (* Harvey P. Dale, Dec 22 2013 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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