Compare 1145 vs 1155
| Property | 1145 | 1155 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 2291 | 31 × 51 × 71 × 111 |
| Prime factorization | 5 × 229 | 3 × 5 × 7 × 11 |
| Divisors count | 4 | 16 |
| Divisors | 1, 5, 229, 1145 | 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155 |
| Number of properties | 1 | 0 |
| Semiprimes | 337th | |
| Roman numberals | MCXLV | MCLV |
| Base 2 | 100011110012 | 100100000112 |
| Base 3 | 11201023 | 11202103 |
| Base 4 | 1013214 | 1020034 |
| Base 5 | 140405 | 141105 |
| Base 6 | 51456 | 52036 |
| Base 7 | 32247 | 32407 |
| Base 8 | 21718 | 22038 |
| Base 9 | 15129 | 15239 |
| Base 10 | 114510 | 115510 |
| Base 11 | 95111 | 96011 |
| Base 12 | 7b512 | 80312 |
| Base 13 | 6a113 | 6ab13 |
| Base 14 | 5bb14 | 5c714 |
| Base 15 | 51515 | 52015 |
| Base 16 | 47916 | 48316 |