76667

Properties

Appears in sequences

• Primes that contain digits 6 and 7 only.at n=4A020469
• Palindromic prime lengths of factorials: see A035067.at n=29A035068
• Palindromic and prime Fibonacci-lucky numbers.at n=36A039679
• Subsequence of beastly primes (A186086) that are palindromes that begin and end with 7.at n=0A046720
• Palindromic primes containing at least one pair of consecutive equal digits.at n=10A050786
• Palindromic primes using only two distinct digits and only the exterior digit is different.at n=21A056728
• Palindromic primes with just two distinct digits.at n=29A056730
• Primes which are a sandwich of numbers made of only one digit between two 7's.at n=6A068688
• Smallest palindromic prime with digit sum = n, or 0 if no such prime exists.at n=31A070245
• Palindromic primes with middle digit 6.at n=4A082442
• Palindromic primes with nonincreasing digits up to the middle and then nondecreasing.at n=18A084837
• Palindromic primes using at most two distinct digits.at n=34A088562
• Palindromic primes in which all internal digits are 6.at n=1A108843
• Palindromic primes p such that p's 10's complement is also a prime.at n=26A109862
• Palindromes whose smallest palindromic proper multiple is the number concatenated with itself.at n=26A119368
• Palindromic primes whose squares are the sum of three consecutive primes.at n=8A130704
• Beastly primes (version 2): primes containing 666 as a substring.at n=12A131645
• Primes whose decimal expansion has the form XYYYX, for nonzero numbers X and Y, where Y is a single digit.at n=6A162423
• Beastly primes (version 1): either 666 followed by 0's and a 1 or 7 at the right end or a palindrome with 666 in the center, 0's surrounding these digits, and 1 or 7 at both ends.at n=3A186086
• Primes that are palindromes and have 666 in the middle.at n=1A196023