116211

Appears in sequences

• Numbers whose sum of digits s equals its product of digits and s + 1 and s - 1 are both prime.at n=20A061597
• a(0)=0, a(1)=1, a(n) = min{5 a(k) + (5^(n-k)-1)/4, k=0..(n-1)} for n>=2.at n=27A259669
• Semiprimes such that sum of digits equals product of digits.at n=21A272436