79997

Properties

Appears in sequences

• Primes that contain digits 7 and 9 only.at n=11A020471
• Palindromic and prime Fibonacci-lucky numbers.at n=37A039679
• Primes expressible as the sum of 2 consecutive palindromes.at n=8A046494
• Palindromic primes containing at least one pair of consecutive equal digits.at n=15A050786
• Palindromic primes using only two distinct digits and only the exterior digit is different.at n=23A056728
• Palindromic primes with just two distinct digits.at n=35A056730
• Smallest palindrome with digit sum = n.at n=41A062388
• Primes which are a sandwich of numbers made of only one digit between two 7's.at n=8A068688
• Smallest palindromic prime with digit sum = n, or 0 if no such prime exists.at n=40A070245
• Palindromes k such that k + 11 is also a palindrome.at n=30A082275
• Palindromic primes with middle digit 9.at n=7A082445
• Smallest palindromic prime having a sum of digits = prime(n), or 0 if no such number exists.at n=12A083184
• Palindromic primes which are a member of a twin prime pair.at n=30A083840
• Palindromic primes p such that p+2 is also a prime: members of A083840 which are the smaller member of a twin prime pair.at n=18A083841
• Palindromic primes with nondecreasing digits up to the middle and then nonincreasing.at n=33A084836
• Palindromic primes that yield a prime when sandwiched between two 3's. (Prefixing and suffixing a -three' on both sides yields another pal prime).at n=33A088270
• Palindromic primes using at most two distinct digits.at n=40A088562
• Palindromic primes with property that sum of digits is prime and number of prime digits is prime.at n=27A093808
• Smallest palindromic prime p, larger than previous term, such that concatenation of n and p is a prime.at n=11A103836
• Primes with minimal digit = 7.at n=33A106107