28279

Properties

Appears in sequences

• a(n) = smallest k > 0 such that the elliptic curve y^2 = x^3 - k has rank n, or -1 if no such k exists.at n=5A031508
• Second term of weak prime sextet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3).at n=9A054829
• Prime(n) and prime(n+3) use the same digits.at n=31A069795
• Prime numbers p for which the quintic polynomial x^5 - x - 1 modulo p completely factors into linear polynomials.at n=22A135844
• Prime numbers p not of the form 10*k+1 for which the quintic polynomial x^5-x-1 modulus p is factorizable into five binomials.at n=17A135845
• Primes p such that p^3-p-+1 are twin primes.at n=33A158295
• Primes p with same last two digits as k, where prime(k) = p.at n=31A232102
• 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=11A242878
• Smallest prime p such that A290174(i) = n, where i is the index of p in A000040.at n=15A290175
• a(n) = smallest prime q such that Sum_{primes p <= q} 1/sqrt(p) >= n.at n=42A292775
• a(n) = smallest |k| such that the elliptic curve y^2 = x^3 + k has rank n, or -1 if no such k exists.at n=5A373795
• a(n) is the least positive integer k such that Mordell's equation y^2 = x^3 - k has exactly n integer solutions with y >= 0.at n=21A392395
• Prime numbersat n=3079