1111111113

Appears in sequences

• a(n) = (10^n + 17)/9.at n=10A098406
• Primes of form R_n + 2 {= (10^n + 17)/9}, R_n being the n-th repunit, i.e., primes consisting of a string of 1's followed by a terminal 3.at n=5A105431
• Composite numbers with digital product = 3.at n=25A199982
• Least number k > n such that the multiplicative and additive digital roots of k are both equal to n.at n=2A272029