70139

Properties

Appears in sequences

• Lesser of twin primes (p,q=p+2) such that p*q-p-q and p*q+p+q are primes.at n=8A126334
• Primes p = prime(k) of form 13//r, s//13 or t//13//u and sod(p) = sod(k).at n=35A169645
• Safe primes p such that p + 24 is also a safe prime.at n=38A274381
• Primes formed by concatenating n and 2n-1.at n=26A309851
• Prime numbersat n=6950