33893

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 75.at n=29A020414
• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 23.at n=36A051964
• First term of strong prime sextets: p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3) > p(m+5)-p(m+4).at n=10A054813
• Members of A083989 whose 10's complement is also a member of A083989.at n=30A083991
• Numbers m such that m and all of its even complements from 2 to 10 are primes. In other words, m and j^k - m (where k is the smallest power of j such that j^k > m) are prime for all of the following values of j: 2, 4, 6, 8, 10.at n=13A086082
• Number of nX6 binary arrays without the pattern 0 1 0 antidiagonally or horizontally.at n=2A189061
• T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 antidiagonally or horizontally.at n=30A189064
• Number of 3 X n binary arrays without the pattern 0 1 0 antidiagonally or horizontally.at n=5A189065
• Primes that are exactly between the nearest square and the nearest triangular number.at n=17A233443
• Primes having primitive roots 2, 3, 5, 7, 11, and 13.at n=28A241047
• a(n) = Sum_{k=0..n} A011971(n, k) * 2^(n - k).at n=6A367808
• Primes p such that the 10's complement A089186(p) and the concatenations of p and A089186(p) and of A089186(p) and p are all prime.at n=27A372082
• Primes having only {3, 8, 9} as digits.at n=21A385792
• Primes having only {0, 3, 8, 9} as digits.at n=40A386069
• Primes having only {3, 6, 8, 9} as digits.at n=44A386186
• Primes k such that the concatenation of (b, k, b) and (k, b, k) are both prime, where b is the binary representation of k.at n=11A389801
• Prime numbersat n=3630