

A103172


Start of ten consecutive primes whose digit reversals are also prime.


5



1193, 91528739, 302706311, 777528457, 778286917, 924408493, 1177842077, 1477271183, 1477271249, 1801280717, 1811906567, 7060718569, 9338212141, 9387802769, 9387802807, 9387802817, 9427522387, 9427522409, 9944534927
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


LINKS

Table of n, a(n) for n=1..19.


EXAMPLE

1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249 and 1259 are consecutive primes.
Their digit reversals, 3911, 1021, 3121, 7121, 3221, 9221, 1321, 7321, 9421 and 9521, are all prime.


CROSSREFS

Cf. A007500, A103169, A103170, A103171.
Sequence in context: A353263 A287049 A153379 * A251923 A251916 A251915
Adjacent sequences: A103169 A103170 A103171 * A103173 A103174 A103175


KEYWORD

base,nonn


AUTHOR

Labos Elemer, Jan 31 2005


EXTENSIONS

Edited and extended by David Wasserman, Sep 05 2006
Corrected by Farideh Firoozbakht, Sep 23 2009


STATUS

approved



