1621079

Properties

Appears in sequences

• Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4 are primes.at n=29A067258
• Primes of the form 8*k-1 such that 4*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=9A101996
• Double-safe primes which are also double-Sophie Germain primes.at n=18A162019
• Prime numbersat n=122615