Compare 1155 vs 1165
| Property | 1155 | 1165 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 71 × 111 | 51 × 2331 |
| Prime factorization | 3 × 5 × 7 × 11 | 5 × 233 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155 | 1, 5, 233, 1165 |
| Number of properties | 0 | 1 |
| Semiprimes | 343rd | |
| Roman numberals | MCLV | MCLXV |
| Base 2 | 100100000112 | 100100011012 |
| Base 3 | 11202103 | 11210113 |
| Base 4 | 1020034 | 1020314 |
| Base 5 | 141105 | 141305 |
| Base 6 | 52036 | 52216 |
| Base 7 | 32407 | 32537 |
| Base 8 | 22038 | 22158 |
| Base 9 | 15239 | 15349 |
| Base 10 | 115510 | 116510 |
| Base 11 | 96011 | 96a11 |
| Base 12 | 80312 | 81112 |
| Base 13 | 6ab13 | 6b813 |
| Base 14 | 5c714 | 5d314 |
| Base 15 | 52015 | 52a15 |
| Base 16 | 48316 | 48d16 |