OFFSET
1,1
EXAMPLE
1193, 1201, 1213, 1217, 1223, 1229, 1231 and 1237 are consecutive primes.
Their digit reversals, 3911, 1021, 3121, 7121, 3221, 9221, 1321 and 7321, are all prime.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Labos Elemer, Jan 31 2005
EXTENSIONS
Edited by David Wasserman, Sep 05 2006
STATUS
approved