746497

Properties

Appears in sequences

• Class 1- (or Pierpont) primes: primes of the form 2^t*3^u + 1.at n=38A005109
• Primes of form 1+(2^a)*(3^b), a>0, b>0.at n=32A058383
• Numbers n such that sigma(n) = 2n - 3*phi(phi(n)).at n=33A110074
• Primes p of the form 4*n^2 + 1 such that 4*p^2+1 is also prime.at n=13A121834
• Primes of the form p^2 + 2*p + 2 where p is prime.at n=32A157467
• Primes of the form 2k^3+1.at n=20A201107
• Generalized cuban primes (A007645) which are also Class 1- (or Pierpont) primes (A005109).at n=33A217035
• Primes of the form (p + q)^2 + 1, where p and q are consecutive primes.at n=15A244095
• Primes that are the square of the sum of a twin prime pair plus 1.at n=9A261889
• Primes q such that Sum_(q-1; i=1..m) e(i)/p(i) is an integer k, where the prime factorization of n is Product_(n; i=1..m) p(i)^e(i).at n=7A267143
• Numbers z such that x^2 + y^6 = z^2 (with positive integers x and y) and gcd(x, y, z) = 1.at n=30A293691
• Primes of form 16*k^k + 1.at n=2A301642
• Primes p such that there exists a cyclic permutation of the nonzero residues modulo p such that v^2 - 4*u*w == 0 (mod p) for any three consecutive residues u,v,w.at n=21A376008
• Prime numbersat n=59982