1866737

Properties

Appears in sequences

• Numbers n with property that n==5 (mod 12) and 2^(m-1)=1 (mod m) where m=(2*n-1)*n.at n=22A188063
• Primes p such that p+2, p+4, p+6, p+8, p+10 and p+12 are all semiprime.at n=31A241483
• Prime numbersat n=139730