Compare 3981 vs 3987
| Property | 3981 | 3987 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 13271 | 32 × 4431 |
| Prime factorization | 3 × 1327 | 3 × 3 × 443 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 1327, 3981 | 1, 3, 9, 443, 1329, 3987 |
| Number of properties | 1 | 0 |
| Semiprimes | 1098th | |
| Roman numberals | MMMCMLXXXI | MMMCMLXXXVII |
| Base 2 | 1111100011012 | 1111100100112 |
| Base 3 | 121101103 | 121102003 |
| Base 4 | 3320314 | 3321034 |
| Base 5 | 1114115 | 1114225 |
| Base 6 | 302336 | 302436 |
| Base 7 | 144157 | 144247 |
| Base 8 | 76158 | 76238 |
| Base 9 | 54139 | 54209 |
| Base 10 | 398110 | 398710 |
| Base 11 | 2a9a11 | 2aa511 |
| Base 12 | 237912 | 238312 |
| Base 13 | 1a7313 | 1a7913 |
| Base 14 | 164514 | 164b14 |
| Base 15 | 12a615 | 12ac15 |
| Base 16 | f8d16 | f9316 |