33336731

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 3, 4, 6 and 7.at n=36A137025
• Numbers k such that k and k^2 use only the digits 1, 3, 5, 6 and 7.at n=36A137033
• Numbers k such that k and k^2 use only the digits 1, 3, 6 and 7.at n=7A137037
• Numbers k such that k and k^2 use only the digits 1, 3, 6, 7 and 8.at n=32A137038