4994777

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 2, 4, 7 and 9.at n=40A136998
• Numbers k such that k and k^2 use only the digits 2, 3, 4, 7 and 9.at n=17A137075
• Numbers k such that k and k^2 use only the digits 2, 4, 5, 7 and 9.at n=30A137098
• Numbers k such that k and k^2 use only the digits 2, 4, 6, 7 and 9.at n=39A137102
• Numbers k such that k and k^2 use only the digits 2, 4, 7 and 9.at n=4A137108