63361

Properties

Appears in sequences

• Cubes written in base 7.at n=24A004637
• Primes that remain prime through 4 iterations of function f(x) = 4x + 3.at n=26A023311
• Numbers whose least quadratic nonresidue (A020649) is 19.at n=26A025027
• Primes with 37 as smallest positive primitive root.at n=2A061739
• Primes such that the sum of their digits and the sum of the reciprocals of their digits is also prime.at n=28A064779
• Numbers k such that k + googol is a lower twin prime.at n=3A133281
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1111-0001 pattern in any orientation.at n=18A146606
• Primes p of the form : p+p^2+p^3-+4=prime.at n=20A154822
• Primes of the form 8n^2 - 7.at n=20A201858
• Primes formed by concatenating palindromes having even number of digits with 1.at n=21A210534
• a(n) = 1+2*(d1 + 1)*(d2 + 1)*...*(dk + 1), where d1, d2, ..., dk are the prime factors of the n-th Fermat pseudoprime to base 2 A001567(n).at n=33A216646
• Primes whose sum of reciprocal of digits is a prime.at n=30A266815
• Growth series for affine Coxeter group B_6.at n=17A267169
• Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3.at n=35A318527
• Smallest prime p == 1 (mod 8) such that Q(sqrt(p)) has class number 2n+1.at n=16A355876
• Smallest p == 1 (mod 4) such that Q(sqrt(p)) has class number 2n+1.at n=16A355878
• Prime numbersat n=6349