51061

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=15A023292
• Number of primitive (period n) n-bead necklace structures using exactly four different colored beads.at n=11A056305
• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=17A067267
• Primes from merging of 5 successive digits in decimal expansion of the Champernowne Constant.at n=24A104948
• Triangle read by rows: T(n, k) is the number of primitive (period n) n-bead necklace structures with k different colors. Only includes structures that contain all k colors.at n=69A107424
• Centered triangular numbers that are prime.at n=41A125602
• Primes p such that p-+1, p-+3, p-+5 are not squarefree.at n=10A155145
• Primes obtained from other primes by prefixing a 5.at n=39A165555
• Numbers n such that 24^n - 23^n is prime or a strong pseudoprime.at n=4A214658
• Primes of form n^2 + 28561.at n=22A256841
• Primes p such that prime(p)^2 - 2 = prime(q) for some prime q.at n=42A261354
• Smallest of 4 consecutive prime numbers that when represented as a simple continued fraction, generates prime numbers in the numerator and denominator, when reduced.at n=35A270884
• Prime numbersat n=5228