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A227892
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Smaller of two consecutive palindromic primes whose product of digits is equal and nonzero.
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1
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191, 1129211, 3218123, 7129217, 7718177, 125292521, 146181641, 171292171, 197292791, 198292891, 316141613, 325383523, 359292953, 767292767, 773181377, 777494777, 929292929, 946141649, 983181389, 992181299, 11222922211, 11584948511, 11942924911, 11991819911
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OFFSET
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1,1
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LINKS
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Shyam Sunder Gupta, Table of n, a(n) for n = 1..5000
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EXAMPLE
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191 is in the sequence because 191 and 313 are consecutive palindromic primes and the product of the digits of each = 9.
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MATHEMATICA
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Select[Partition[Select[Prime[Range[542*10^6]], PalindromeQ], 2, 1], Times @@ IntegerDigits[ #[[1]]] ==Times@@IntegerDigits[#[[2]]]>0&][[All, 1]] (* Harvey P. Dale, Dec 23 2022 *)
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CROSSREFS
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Cf. A230083, A007954, A053666, A230228, A230200.
Sequence in context: A207218 A185716 A084003 * A118095 A155843 A187527
Adjacent sequences: A227889 A227890 A227891 * A227893 A227894 A227895
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KEYWORD
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nonn,base
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AUTHOR
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Shyam Sunder Gupta, Oct 14 2013
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STATUS
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approved
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