33811

Properties

Appears in sequences

• Reflectable emirps.at n=31A007628
• Number of partitions of n into parts not of the form 23k, 23k+2 or 23k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 10 are greater than 1.at n=46A035990
• Primes with 15 as smallest positive primitive root.at n=10A061328
• Numbers k such that A048138(k) is a prime and sets a new record for such primes.at n=42A064440
• Primes p(k) such that the product of digits of p(k) equals the product of digits of k.at n=20A066521
• Primes for which the smallest positive primitive root is odd and nonprime.at n=17A070269
• Prime numbers whose central digit equals the sum of the other digits.at n=27A235119
• Primes p such that b=2*p+1 is semiprime, c=2*b+1 is 3-almost prime and d=2*c+1 is 4-almost prime.at n=30A235646
• Prime numbers whose decimal expansion has the same digit sum as its hexadecimal expansion, and such that the number of bits in its binary expansion matches the digit sum. Only digits 1-9 are allowed in both the decimal and hexadecimal expansions.at n=6A244614
• Centered 14-gonal (or tetradecagonal) primes.at n=14A264821
• Expansion of Sum_{k>=0} x^(k*(k+1)/2) * Product_{j=1..k} (1 + x^j)^j.at n=49A306733
• Primes p such that A001175(p) = (p-1)/7.at n=22A308792
• Primes p such that A001177(p) = (p-1)/7.at n=14A308800
• Numbers that are the sum of seven fourth powers in eight or more ways.at n=15A345574
• Numbers that are the sum of seven fourth powers in exactly eight ways.at n=10A345830
• Primes with at least two identical trailing digits and at least two identical leading digits.at n=28A384015
• Prime numbersat n=3622