577734

Appears in sequences

• Numbers k such that k and k^2 use only the digits 3, 4, 5, 6 and 7.at n=17A137121
• Numbers n such that the decimal expansions of both n and n^2 have 3 as smallest digit and 7 as largest digit.at n=2A257486
• Boyd's Pisot-like sequence F(0,5,11).at n=28A274946