52639

Properties

Appears in sequences

• Smallest prime p of two consecutive primes, p < q, such that gcd(p+1, q+1) = 2n.at n=13A067604
• Primes whose digit reversal is a pentagonal number (A000326).at n=17A115706
• Primes of the form i*prime(i) + (i+1)*prime(i+1).at n=27A119487
• a(n) is the largest prime < 8*a(n-1) for n > 1, with a(1) = 2.at n=5A126036
• Primes p such that 12*p^3+-1 are twin primes.at n=30A158297
• a(n) is the shyest prime in base n.at n=27A272043
• Number of maximum matchings in the n-Mycielski graph.at n=4A297529
• Table read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives number of vertices in the resulting planar graph.at n=39A367183
• Positions of records in A205561.at n=39A378189
• Prime numbersat n=5375