Compare 1145 vs 1157
| Property | 1145 | 1157 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 2291 | 131 × 891 |
| Prime factorization | 5 × 229 | 13 × 89 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 229, 1145 | 1, 13, 89, 1157 |
| Number of properties | 1 | 1 |
| Semiprimes | 337th | 341st |
| Roman numberals | MCXLV | MCLVII |
| Base 2 | 100011110012 | 100100001012 |
| Base 3 | 11201023 | 11202123 |
| Base 4 | 1013214 | 1020114 |
| Base 5 | 140405 | 141125 |
| Base 6 | 51456 | 52056 |
| Base 7 | 32247 | 32427 |
| Base 8 | 21718 | 22058 |
| Base 9 | 15129 | 15259 |
| Base 10 | 114510 | 115710 |
| Base 11 | 95111 | 96211 |
| Base 12 | 7b512 | 80512 |
| Base 13 | 6a113 | 6b013 |
| Base 14 | 5bb14 | 5c914 |
| Base 15 | 51515 | 52215 |
| Base 16 | 47916 | 48516 |