999727999

Appears in sequences

• Largest palindromic prime with 2n-1 digits.at n=4A028990
• Record gaps between palindromic primes (lower end): primes A002385(k) where A002385(k+1) - A002385(k) exceeds A002385(j+1) - A002385(j) for all j < k.at n=15A327428