44721
domain: N
Appears in sequences
- Index of smallest triangular number with n digits.at n=9A068092
- Triangular number index of A077206(n).at n=9A077207
- a(n) = the largest integer whose square has n digits and first digit 1.at n=9A083377
- Numbers k such that 3^k + 28 is prime.at n=28A219046
- Number of triangular numbers <= 10^n.at n=9A236043