515515

Appears in sequences

• Palindromes of form k*(k+6).at n=6A028562
• Numbers that are palindromic in bases 10 and 15.at n=26A029970
• Palindromes that are the product of 5 distinct primes.at n=27A046395
• a(n+1) = least palindrome not already used that is either a divisor or multiple of a(n) such that the ratios a(n+1)/a(n) are all distinct.at n=18A111678