766666

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 8.at n=17A136963
• Numbers k such that k and k^2 use only the digits 1, 5, 6, 7 and 8.at n=14A137060
• Numbers k such that k and k^2 use only the digits 3, 5, 6, 7 and 8.at n=14A137132
• Numbers k such that k and k^2 use only the digits 4, 5, 6, 7 and 8.at n=36A137140
• Numbers k such that k and k^2 use only the digits 5, 6, 7 and 8.at n=4A137146
• Numbers k such that k and k^2 use only the digits 5, 6, 7, 8 and 9.at n=11A137147