42859

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 5x + 2.at n=34A023283
• Primes of the form n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2 + (n+4)^2 + (n+5)^2.at n=21A027867
• Primes in which odd positioned digits are composite and even positioned digits are primes. The least significant digit is the taken to be the first digit.at n=28A083821
• Primes p such that the polynomial x^5-x^4-x^3-x^2-x-1 mod p has 5 distinct zeros.at n=34A106281
• Primes that do not divide any term of the Lucas 5-step sequence A074048.at n=14A106301
• Prime numbers p for which quintonacci quintic polynomial x^5-x^4-x^3-x^2-x-1 modulus p is completely factorizable.at n=35A135846
• Prime numbers p not of the form 10k+1 for which the quintonacci quintic polynomial x^5 - x^4 - x^3 - x^2 - x - 1 modulus p is factorizable into five binomials.at n=27A135847
• Primes of the form k^2 + 10.at n=32A138355
• Least prime of three consecutive primes (p1,p2,p3) such that p2-p1 and p3-p2 are both perfect squares.at n=8A161002
• Primes of the form 9n^2 + 10.at n=11A201708
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS.at n=19A242878
• Lesser of cousin happy primes.at n=17A387896
• Prime numbersat n=4482