947886

Appears in sequences

• Numbers k such that k and k^2 use only the digits 4, 6, 7, 8 and 9.at n=20A137145
• Numbers n such that the decimal expansions of both n and n^2 have 4 as the digit with the smallest value and 9 as the digit with the largest value.at n=24A254072
• Integers m, with k digits, such that m = Sum_{i=1..k} A000203(m without its i-th digit).at n=6A374308