22643

Properties

Appears in sequences

• Primes of the form 666*k - 1.at n=12A063472
• Class 7- primes.at n=7A081426
• Number of n X n circulant singular matrices over GF(2).at n=14A086324
• Number of lesser twin primes (A001359) in range ]2^n, 2^(n+1)].at n=21A095017
• Primes of the form prime(n)^2 - prime(n+1) - 1.at n=17A097938
• Primes from merging of 5 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.at n=0A105378
• Supersafe primes.at n=37A181841
• Smallest prime Q such that prime(n)*(2*Q)^prime(n)-1 is prime.at n=39A245600
• Primes p such that p plus the cube of sum of digits of p is a perfect square.at n=12A259418
• Second smallest number of complexity n: second smallest number requiring n 1's to build using + and *.at n=29A265360
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood.at n=31A271166
• Primes p such that (p+nextprime(p))/6 is prime and 6*p is the sum of two consecutive primes.at n=21A339775
• Primes p such that p^3 - 1 has 8 divisors.at n=20A341659
• Primes whose position in the Wythoff array is immediately followed by a prime both in the next column and the next row.at n=12A352537
• Primes having only {2, 3, 4, 6} as digits.at n=33A386140
• Prime numbersat n=2530