13488431

Appears in sequences

• Palindromic numbers that are fixed points of the TITO operation (see A161594) and are not products of palindromic primes.at n=9A161730
• Numbers m such that set of divisors of m is equal to set of reversals of divisors of m but all divisors of m are not palindromic.at n=1A192219
• Numbers k with at least one nonpalindromic divisor such that the sum of phi(d) = the sum of phi(reverse(d)), where d runs over the divisors of k and phi is the Euler totient function.at n=16A246545
• Numbers k with at least one nonpalindromic divisor such that the sum of sigma(d) = the sum of sigma(reverse(d)), where d runs over the divisors of k.at n=12A247826