1287821

Properties

Appears in sequences

• Greater of two consecutive palindromes, both of which are prime.at n=26A032594
• Palindromic primes with middle digit 7.at n=16A082443
• Palindromic primes that yield a prime when sandwiched between two 1's. (Prefixing and suffixing a 1 on both sides yields another palindromic prime.)at n=20A088269
• Palindromic prime numbers == 2 (mod 9).at n=28A229876
• First prime in set of 4 palindromic primes in arithmetic progression ordered by the largest term in the progression.at n=23A244273
• Palindromic numbers which are also palindromic in their binary reflected Gray code representation.at n=14A281378
• Prime numbersat n=99172