A167466 Primes p such that (p reversed)+8 is also a prime.
3, 5, 11, 17, 53, 59, 101, 107, 131, 137, 167, 173, 191, 347, 389, 503, 563, 911, 929, 941, 947, 953, 977, 983, 1013, 1019, 1061, 1103, 1193, 1217, 1223, 1289, 1301, 1307, 1367, 1373, 1409, 1439, 1451, 1499, 1523, 1553, 1571, 1601, 1607, 1613, 1637, 1667
Offset: 1
Examples
17->71+8=79; 53->35+8=43; 107->701+8=709.
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Programs
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Magma
[p: p in PrimesInInterval(2,2050) | IsPrime(q+8) where q is Seqint(Reverse(Intseq(p)))]; // Vincenzo Librandi, Sep 15 2013
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Mathematica
Select[Prime[Range[2, 3000]], PrimeQ[FromDigits[Reverse[IntegerDigits[#]]] + 8]&](* Vincenzo Librandi, Sep 15 2013 *)
Extensions
Numbers in the range 1100 to 1600 inserted by R. J. Mathar, Nov 08 2009