11145511

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 2, 4 and 5.at n=10A136987
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 7.at n=37A136989
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 8.at n=42A136990
• Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 9.at n=41A136991
• Numbers k such that the decimal expansions of both k and k^2 have 1 as smallest digit and 5 as largest digit.at n=26A256889