347743

Appears in sequences

• Palindromes with exactly 3 palindromic prime factors (counted with multiplicity).at n=30A046377
• Palindromes with exactly 3 distinct palindromic prime factors.at n=15A046409
• Palindromes formed from the concatenation of n, sum of n and R(n), and R(n) with its leading zeros; or 0 if no such palindrome exists. R(k) is the digit reversal of k.at n=33A084998