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A069802
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Primes related to the nondecreasing subsequence of A053666.
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2
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2, 3, 5, 7, 17, 19, 29, 37, 47, 59, 79, 89, 199, 269, 349, 359, 379, 389, 479, 499, 599, 797, 887, 997, 1889, 1999, 2689, 2699, 2789, 2879, 2897, 2999, 3889, 3989, 4789, 4799, 4889, 4999, 6899, 8699, 8969, 8999, 25999, 27799, 27997, 28789, 28879
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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EXAMPLE
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A053666 is sieved in the following way:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...
2 3 5 7 1 3 7 9 6 18 3 21 4 12 28 15 ...
2 3 5 7 x x 7 9 x 18 x 21 x x 28 x ...
with the related primes
2 3 5 7 17 19 29 37 47 ...
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MATHEMATICA
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t = 0; Do[s = Apply[ Times, IntegerDigits[ Prime[n]]]; If[s >= t, t = s; Print[ Prime[n]]], {n, 1, 10^4}]
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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