73037

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 4x + 9.at n=17A023312
• Primes that remain prime through 5 iterations of function f(x) = 4x + 9.at n=4A023340
• Every suffix of palindromic prime a(n) is prime (left-truncatable).at n=12A052024
• Palindromic primes with strictly decreasing digits up to the middle and then strictly increasing.at n=12A062352
• Palindromic primes with at least one zero digit.at n=16A071783
• Primes which can be represented as the sum of a square and its reverse.at n=9A072383
• Primes which can be represented as the sum of a triangular number and its reverse.at n=6A072386
• Palindromic primes with nonprime middle digit.at n=35A076613
• Palindromic primes = 1 mod 4.at n=35A081220
• Palindromic primes with middle digit 0.at n=5A082435
• Smallest palindromic prime that ends (on the least significant side) in prime(n).at n=11A082625
• Smallest palindromic prime that ends (the least significant side) in (2n-1) the n-th odd number, or 0 if no such number exists, e.g., for 2n-1 = 10k + 5, k>0.at n=18A082626
• a(n) = smallest palindromic prime that begins with A082768(n), or 0 if no such number exists.at n=27A082769
• a(n) = smallest palindromic prime that begins with A082768(n) and contains more than twice the number of digits in A082768(n), or 0 if no such number exists.at n=27A082770
• Palindromic primes p with property that another palindromic prime with as many digits can be obtained by using all the digits of p with a different frequency >=1 (every digit is used at least once).at n=28A082807
• Palindromic primes which are a member of a twin prime pair.at n=24A083840
• 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=12A083841
• Palindromic primes with nonincreasing digits up to the middle and then nondecreasing.at n=13A084837
• Smallest palindromic prime built using the palindromes with odd number of digits as central digits.at n=29A087364
• Smallest palindromic prime beginning with the n-th prime, or 0 if no such prime exists.at n=20A088249