29873

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 6x + 5.at n=26A023317
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 20.at n=5A031608
• Highly Wilsonian primes: smallest primes p such that w(p)=n where w(n) denote the number of nonnegative integers k such that k! = +1 or -1 (mod n).at n=14A071710
• The smallest magic constant for n X n magic square with prime entries (regarding 1 as a prime).at n=18A073502
• Prime numbers that are the sum of three distinct positive fourth powers.at n=24A126657
• a(n) = ceiling(sqrt(4*P_n)), where P_n is product of first n primes.at n=9A173631
• Least a + b such that a*b = A002110(n), the product of the first n primes, where a, b are positive integers.at n=9A182987
• Numbers k such that there is 1 prime between 100*k and 100*k + 99.at n=43A186393
• Primes p such that p*q*r + 6 and p*q*r - 6 are primes where q and r are the next two primes after p.at n=22A240715
• Least prime p such that 2*prime(p*n)+1 = prime(q*n) for some prime q.at n=42A260882
• Sophie Germain primes p such that p+6 and p-6 are primes.at n=27A278869
• Prime numbersat n=3236