Compare 9959 vs 9991
| Property | 9959 | 9991 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 231 × 4331 | 971 × 1031 |
| Prime factorization | 23 × 433 | 97 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 23, 433, 9959 | 1, 97, 103, 9991 |
| Number of properties | 1 | 1 |
| Semiprimes | 2609th | 2621st |
| Roman numberals | ||
| Base 2 | 100110111001112 | 100111000001112 |
| Base 3 | 1111222123 | 1112010013 |
| Base 4 | 21232134 | 21300134 |
| Base 5 | 3043145 | 3044315 |
| Base 6 | 1140356 | 1141316 |
| Base 7 | 410157 | 410627 |
| Base 8 | 233478 | 234078 |
| Base 9 | 145859 | 146319 |
| Base 10 | 995910 | 999110 |
| Base 11 | 753411 | 756311 |
| Base 12 | 591b12 | 594712 |
| Base 13 | 46c113 | 471713 |
| Base 14 | 38b514 | 38d914 |
| Base 15 | 2e3e15 | 2e6115 |
| Base 16 | 26e716 | 270716 |