Compare 81145 vs 81149
| Property | 81145 | 81149 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 162291 | 191 × 42711 |
| Prime factorization | 5 × 16229 | 19 × 4271 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 16229, 81145 | 1, 19, 4271, 81149 |
| Number of properties | 1 | 1 |
| Semiprimes | 19169th | 19170th |
| Roman numberals | ||
| Base 2 | 100111100111110012 | 100111100111111012 |
| Base 3 | 110100221013 | 110100221123 |
| Base 4 | 1033033214 | 1033033314 |
| Base 5 | 100440405 | 100440445 |
| Base 6 | 14234016 | 14234056 |
| Base 7 | 4554017 | 4554057 |
| Base 8 | 2363718 | 2363758 |
| Base 9 | 1332719 | 1332759 |
| Base 10 | 8114510 | 8114910 |
| Base 11 | 55a6911 | 55a7211 |
| Base 12 | 3ab6112 | 3ab6512 |
| Base 13 | 2ac1c13 | 2ac2313 |
| Base 14 | 2180114 | 2180514 |
| Base 15 | 1909a15 | 1909e15 |
| Base 16 | 13cf916 | 13cfd16 |