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A046362 Composite palindromes divided by the palindromic sum of their prime factors is a palindrome (counted with multiplicity). 0

%I

%S 4,1345431,12333321,1425665241,12026255262021,35686666668653,

%T 40181955918104,128449444944821,146426787624641,651751101157156,

%U 1734573883754371,2313421221243132

%N Composite palindromes divided by the palindromic sum of their prime factors is a palindrome (counted with multiplicity).

%e 1345431 = 3 * 17 * 23 * 31 * 37 -> Sum of factors is palindrome 111 -> 1345431 / 111 = 12121 and quotient is also palindromic.

%Y Cf. A046358, A046361.

%K nonn,more,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998.

%E Edited name and a(5)-a(12) from _Donovan Johnson_, Oct 11 2011

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Last modified February 15 20:32 EST 2019. Contains 320138 sequences. (Running on oeis4.)