27283

Properties

Appears in sequences

• Primes whose consecutive digits differ by 5 or 6.at n=18A048417
• Primes p such that p*floor(p/2) - 4 and p*floor(p/2) + 4 are prime numbers.at n=33A164622
• Primes of the form 2*n^2 + 82*n + 39.at n=12A217620
• Primes 10k + 3 preceding the maximal gaps in A269234.at n=11A269235
• Greatest of 4 consecutive primes with consecutive gaps 6, 4, 2.at n=29A290635
• a(n) is the greatest nonnegative number which has a partition into a triangular number (A000217), a square number (A000290), and a pentagonal number (A000326) in n different ways.at n=53A327792
• a(n) is the least prime p such that the next prime after p with the same last digit as p is p+10*n.at n=29A328550
• a(n) is the least prime p = prime(k) such that the next prime with the same last digit as p is prime(k+n).at n=23A340800
• For a line L in the plane, let C(L) denote the number of prime points [k, prime(k)] on L, and let M(L) denote the maximum prime(k) for any of these points; a(n) = minimum M(L) over all lines with C(L) = n, or -1 if there is no such line.at n=33A376187
• Expansion of (1/x) * Series_Reversion( x / (1 + x + x^2 * (1 + x)^2) ).at n=10A378426
• Prime numbersat n=2988