37673

Appears in sequences

• Composite palindromes with only palindromic prime factors whose sum is palindromic (counted with multiplicity).at n=15A046357
• Palindromes with exactly 2 palindromic prime factors (counted with multiplicity), and no other prime factors.at n=38A046376
• Palindromes with exactly 2 distinct palindromic prime factors.at n=34A046408
• Smallest nontrivial palindromic multiple of the n-th palindrome (a(n) is not equal to the n-th palindrome).at n=45A083145
• Smallest palindromic multiple of n-th palindrome which is not a concatenation of copies of that palindrome.at n=45A083146
• Palindromic brilliant numbers.at n=23A084350
• Smallest palindromic multiple (not equal to the number itself) of the palindromes not included earlier.at n=45A085920
• Brilliant numbers (A078972) whose digit reversal is the product of 2 palindromes greater than 1.at n=35A115681
• a(n) = A000041(n) * A000070(n).at n=13A143229
• Composite palindromes whose divisors > 1 are all nontrivial palindromes (i.e., palindromes with at least two digits).at n=19A329100
• Nonprime base-10 palindromes whose arithmetic derivative is a base-10 palindrome.at n=23A363248
• Palindromic squarefree semiprimes such that the sum of the two prime factors is also a palindrome.at n=12A374331
• Cycle of length 130 in the dynamical system A385938 starting from 26.at n=44A385893
• Row sums of A390433.at n=5A390667