30000500003
domain: N
Appears in sequences
- Palindromic primes whose digits do not appear in previous term and that are increasing.at n=18A030286
- Palindromic primes with successive increasing difference: a(k)-a(k-1) < a(k+1)- a(k).at n=20A078790
- 10^n*(5+3*10^n)+3.at n=5A171630
- Palindromic primes such that sum of digits = number of digits.at n=17A308335
- Record gaps between palindromic primes (upper end) (compare A327428, which gives lower ends of these gaps).at n=16A327429