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A192140
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Palindromic numbers m such that their concatenation of prime divisors are also palindromic numbers.
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4
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2, 3, 4, 5, 7, 8, 9, 11, 101, 121, 131, 151, 181, 191, 313, 343, 353, 373, 383, 727, 747, 757, 787, 797, 919, 929, 1331, 10001, 10201, 10301, 10501, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13831
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OFFSET
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1,1
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COMMENTS
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The corresponding values of palindromic concatenation in A192141.
Superset of A002385 (palindromic primes) and A084092 (prime power decimal palindromes).
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LINKS
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EXAMPLE
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Concatenation of prime divisors of number 747 = 3^2 * 83 is 383 (palindromic number).
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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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STATUS
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approved
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