A109184 Palindromic primes with digit sum 20.

929, 16661, 17471, 36263, 70607, 72227, 73037, 91019, 1074701, 1082801, 1180811, 1262621, 1328231, 1360631, 1508051, 1532351, 1630361, 1712171, 1802081, 3160613, 3218123, 7014107, 7300037, 9002009, 102383201, 102707201, 103282301

Offset

1,1

Comments

Cf. A070250 Palindromic primes with digit sum 10, A107579 Primes with digit sum = 10, A106760 Primes with digit sum = 20, A109185 Palindromic primes with digit sum 40.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..4732

Mathematica

Select[Prime[Range[5940000]], PalindromeQ[#]&&Total[IntegerDigits[#]]==20&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 19 2021 *)

Crossrefs

Cf. A070250, A106760, A107579, A109185.

Sequence in context: A340957 A289727 A290967 * A219066 A068651 A175726

Adjacent sequences: A109181 A109182 A109183 * A109185 A109186 A109187

Keyword

base,nonn

Author

Zak Seidov, Jun 22 2005

Status

approved