Reflective numbers: k such that the decimal encoding of the prime factorization of k (A067599) is palindromic.

A066985

Reflective numbers: k such that the decimal encoding of the prime factorization of k (A067599) is palindromic.

Terms

    a(0) =4a(1) =11a(2) =13a(3) =17a(4) =19a(5) =27a(6) =72a(7) =199a(8) =242a(9) =529a(10) =800a(11) =841a(12) =1151a(13) =1171a(14) =1181a(15) =1303a(16) =1352a(17) =1373a(18) =1469a(19) =1747a(20) =1777a(21) =1787a(22) =1922a(23) =1949a(24) =1979a(25) =1999a(26) =2321a(27) =3125a(28) =3362a(29) =3421

External references