27179

Properties

Appears in sequences

• Primes which, although they have correct parity, are not in the prime number maze.at n=33A065123
• Primes p(k) such that the product of digits of p(k) equals the product of digits of k.at n=17A066521
• Prime(n) and prime(n+2) use the same digits.at n=35A069794
• Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.at n=35A166057
• Primes q (except greater of twin primes) with result 2 under iterations of {r mod (max prime p < r)} starting at r = q.at n=34A175080
• First primes beginning a chain of 4 primes indexed equidistantly (n-th, (n+b)-th, (n+2b)-th, (n+3b)-th primes) whose sum of squares is the square of two times a prime and with b <= n.at n=21A214265
• a(n) = n-th smallest prime congruent to 1 modulo prime(n).at n=27A234387
• Primes p such that p^4 + p +/- 1 are twin primes.at n=12A236951
• Number of partitions p of n such that (number of even numbers in p) >= (number of odd numbers in p).at n=42A241639
• Least prime p such that pi(p*n)^2 + 1 = prime(q*n) for some prime q.at n=39A260219
• Smallest prime that is the (sum, k*prime(k),k=m,..n+m-1) for some m, or 0 if no such m exists.at n=21A268467
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 814", based on the 5-celled von Neumann neighborhood.at n=42A273644
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 1, where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A295957
• Position of the first occurrence of n in A337474.at n=37A337476
• Primes p such that if q is the next prime, p+A004086(q) and q+A004086(p) are prime.at n=33A351728
• Primes p whose index has a submultiset of their decimal digits.at n=30A365678
• Consecutive states of the linear congruential pseudo-random number generator 172*s mod 30307 when started at s=1.at n=3A385032
• Prime numbersat n=2977