1911191

Appears in sequences

• Palindromes that cannot be prefixed and followed by any digit to form a prime.at n=10A032735
• Numbers n which in decimal have the form imj, where m is the middle digit, with property that j is the reversal of i, and i = m*j.at n=27A082945
• Smallest palindromic multiple of 2n-1 beginning with the digit string of 2n-1; or 0 if no such number exists.at n=9A083964