Ok, thanks. I think I read something about GP/PARI in relation to plindromic primes, maybe in Prime pages comments on an entry?
I know enough to check some small numbers for primality using isprime(), but that's it. Unfortunately, what he calls quick'n'dirty for me probably is advanced math... :D
Maybe it's for the better, so I can keep focus on PG. And I already have a Proth prime side project (k in the 10^6 magnitude, so far away from anybody).
Primes: 1281979 & 12+8+1979 & 1+2+8+1+9+7+9 & 1^2+2^2+8^2+1^2+9^2+7^2+9^2 & 12*8+19*79 & 12^8-1979 & 1281979 + 4 (cousin prime)