39799

Properties

Appears in sequences

• From table of maximal epacts e(p) and corresponding primes p, for x_1=2, x_{m+1} = (x_m)^2+1; sequence gives p.at n=36A014424
• Least odd prime divisor of prime(n)*prime(n-1) - 1, or 1 if prime(n)*prime(n-1) - 1 is a power of 2.at n=78A023519
• Primes of the form p^2 + p - 1 when p is prime.at n=20A053185
• Primes p such that x^27 = 2 has no solution mod p, but x^9 = 2 has a solution mod p.at n=20A059354
• Primes p such that x^54 = 2 has no solution mod p, but x^18 = 2 has a solution mod p.at n=11A059666
• Primes p such that x^9 = 2 has a solution mod p, but x^(9^2) = 2 has no solution mod p.at n=21A070185
• Primes with digit sum = 37.at n=1A106771
• Primes p such that p's set of distinct digits is {3,7,9}.at n=33A108385
• Least prime whose absolute difference between the sum of its even decimal digits and the sum of its odd decimal digits is n.at n=37A114442
• Primes in A128490.at n=27A128491
• Primes of the form ((p+1)/2)^2+((p-1)/2), where p is prime.at n=34A163419
• Primes of the form (p^2-1)/4-p where p are also primes.at n=29A165557
• Primes of the form 1 + prime(k) + (prime(k+1))^2, any k.at n=9A165613
• Emirps whose binary conversion remains emirp when read in decimal.at n=16A226972
• Primes related to the strictly increasing subsequence of A053666.at n=43A230041
• Number of representations of 0 as a sum of numbers d*k with d in {-1,1} and k in {1,2,...,n}, where the sum of the numbers k is 2n.at n=20A236429
• Primes whose binary and ternary representations are also prime when read in decimal.at n=40A236537
• Primes of the form n^2-n-1 (for some n) such that p^2-p-1 is also prime.at n=22A237642
• a(n) = 8*n^3 - 449*n^2 + 7967*n - 45523.at n=37A253045
• Primes of the form n^2 + phi(n).at n=32A264771