2111112
domain: N
Appears in sequences
- Palindromes which are divisible by the product of their digits.at n=27A117057
- Palindromes which are divisible by the product and by the sum of their digits.at n=20A117228
- Palindromic primes in base 3 (written in base 3).at n=14A117698
- Palindromes with digit sum 9.at n=29A121476
- Zeroless palindromes with digit sum 9.at n=14A121477
- Good's example of a "Standard List" of prime words over the alphabet {1,2}.at n=24A212659
- Zeroless numbers n such that n and n*product_of_digits(n) are both palindromes.at n=29A229804
- List of privileged words over the alphabet {1,2}.at n=36A235609
- The Wythoff representation of n: an alternative way of presenting A189921.at n=36A317208
- List of Nyldon words over {1,2}.at n=24A328073