138683

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 2x + 7.at n=14A023305
• Primes of the form k^2 + prime(k) + 1.at n=29A063461
• Primes which can be represented as the sum of a triangular number and its reverse.at n=13A072386
• Primes p such that q-p = 44, where q is the next prime after p.at n=8A134121
• Middle of 3 consecutive prime numbers such that p1*p2*p3+d1+d2+1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=22A153407
• Primes which are the sum of 6 consecutive triangular numbers A000217.at n=22A159071
• Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors.at n=24A216823
• Table whose n-th row lists the prime factors of the n-th Giuga number A007850(n).at n=70A236434
• Prime numbersat n=12904