Compare 1143 vs 1145
| Property | 1143 | 1145 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 1271 | 51 × 2291 |
| Prime factorization | 3 × 3 × 127 | 5 × 229 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 127, 381, 1143 | 1, 5, 229, 1145 |
| Number of properties | 0 | 1 |
| Semiprimes | 337th | |
| Roman numberals | MCXLIII | MCXLV |
| Base 2 | 100011101112 | 100011110012 |
| Base 3 | 11201003 | 11201023 |
| Base 4 | 1013134 | 1013214 |
| Base 5 | 140335 | 140405 |
| Base 6 | 51436 | 51456 |
| Base 7 | 32227 | 32247 |
| Base 8 | 21678 | 21718 |
| Base 9 | 15109 | 15129 |
| Base 10 | 114310 | 114510 |
| Base 11 | 94a11 | 95111 |
| Base 12 | 7b312 | 7b512 |
| Base 13 | 69c13 | 6a113 |
| Base 14 | 5b914 | 5bb14 |
| Base 15 | 51315 | 51515 |
| Base 16 | 47716 | 47916 |