Compare 1155 vs 1157
| Property | 1155 | 1157 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 71 × 111 | 131 × 891 |
| Prime factorization | 3 × 5 × 7 × 11 | 13 × 89 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155 | 1, 13, 89, 1157 |
| Number of properties | 0 | 1 |
| Semiprimes | 341st | |
| Roman numberals | MCLV | MCLVII |
| Base 2 | 100100000112 | 100100001012 |
| Base 3 | 11202103 | 11202123 |
| Base 4 | 1020034 | 1020114 |
| Base 5 | 141105 | 141125 |
| Base 6 | 52036 | 52056 |
| Base 7 | 32407 | 32427 |
| Base 8 | 22038 | 22058 |
| Base 9 | 15239 | 15259 |
| Base 10 | 115510 | 115710 |
| Base 11 | 96011 | 96211 |
| Base 12 | 80312 | 80512 |
| Base 13 | 6ab13 | 6b013 |
| Base 14 | 5c714 | 5c914 |
| Base 15 | 52015 | 52215 |
| Base 16 | 48316 | 48516 |