458789

Properties

Appears in sequences

• a(n) = smallest number k such that Product_{i=1..k} prime(i)/(prime(i)-1) > n.at n=28A005579
• Let b(n) = Product_{i=1..n} p_i/(p_i - 1), p_i = i-th prime; a(n) = minimum k such that b(k) >= n.at n=28A256968
• Duplicate of A005579.at n=28A256969
• Prime numbersat n=38369