Compare 145 vs 185
| Property | 145 | 185 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 291 | 51 × 371 |
| Prime factorization | 5 × 29 | 5 × 37 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 29, 145 | 1, 5, 37, 185 |
| Number of properties | 1 | 1 |
| Semiprimes | 49th | 60th |
| Roman numberals | CXLV | CLXXXV |
| Base 2 | 100100012 | 101110012 |
| Base 3 | 121013 | 202123 |
| Base 4 | 21014 | 23214 |
| Base 5 | 10405 | 12205 |
| Base 6 | 4016 | 5056 |
| Base 7 | 2657 | 3537 |
| Base 8 | 2218 | 2718 |
| Base 9 | 1719 | 2259 |
| Base 10 | 14510 | 18510 |
| Base 11 | 12211 | 15911 |
| Base 12 | 10112 | 13512 |
| Base 13 | b213 | 11313 |
| Base 14 | a514 | d314 |
| Base 15 | 9a15 | c515 |
| Base 16 | 9116 | b916 |