Compare 3981 vs 4009
| Property | 3981 | 4009 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 13271 | 191 × 2111 |
| Prime factorization | 3 × 1327 | 19 × 211 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 1327, 3981 | 1, 19, 211, 4009 |
| Number of properties | 1 | 1 |
| Semiprimes | 1098th | 1107th |
| Roman numberals | MMMCMLXXXI | MMMMIX |
| Base 2 | 1111100011012 | 1111101010012 |
| Base 3 | 121101103 | 121111113 |
| Base 4 | 3320314 | 3322214 |
| Base 5 | 1114115 | 1120145 |
| Base 6 | 302336 | 303216 |
| Base 7 | 144157 | 144557 |
| Base 8 | 76158 | 76518 |
| Base 9 | 54139 | 54449 |
| Base 10 | 398110 | 400910 |
| Base 11 | 2a9a11 | 301511 |
| Base 12 | 237912 | 23a112 |
| Base 13 | 1a7313 | 1a9513 |
| Base 14 | 164514 | 166514 |
| Base 15 | 12a615 | 12c415 |
| Base 16 | f8d16 | fa916 |