27739

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(849).at n=7A042638
• Prime number spiral (clockwise, Northwest spoke).at n=27A053999
• Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4, 6, 2]; short d-string notation of pattern = [462].at n=32A078851
• Primes p such that the multiplicative order of 2 modulo p is (p-1)/9.at n=18A152309
• Primes of the form 6*k^2 - 5.at n=19A201791
• Primes p such that p*q*r + 6 and p*q*r - 6 are primes where q and r are the next two primes after p.at n=20A240715
• Greater of twin primes of (40n-23,40n-21).at n=35A244505
• Expansion of 2*(1 - x)/(3 - theta_3(x)), where theta_3() is the Jacobi theta function.at n=35A303909
• Primes p such that 2*p+q and 2*p+r are prime, where q and r are the next two primes after p.at n=45A340225
• Primes p such that, if b is the sum of digits of p, y = p mod b and x = (p-y)/b, then p-x*y, p+x*y, x+y and x-y are all prime.at n=47A342801
• Discriminants of imaginary quadratic fields with class number 41 (negated).at n=33A351679
• Prime numbersat n=3025