Compare 3973 vs 3991
| Property | 3973 | 3991 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 291 × 1371 | 131 × 3071 |
| Prime factorization | 29 × 137 | 13 × 307 |
| Divisors count | 4 | 4 |
| Divisors | 1, 29, 137, 3973 | 1, 13, 307, 3991 |
| Number of properties | 1 | 1 |
| Semiprimes | 1094th | 1102nd |
| Roman numberals | MMMCMLXXIII | MMMCMXCI |
| Base 2 | 1111100001012 | 1111100101112 |
| Base 3 | 121100113 | 121102113 |
| Base 4 | 3320114 | 3321134 |
| Base 5 | 1113435 | 1114315 |
| Base 6 | 302216 | 302516 |
| Base 7 | 144047 | 144317 |
| Base 8 | 76058 | 76278 |
| Base 9 | 54049 | 54249 |
| Base 10 | 397310 | 399110 |
| Base 11 | 2a9211 | 2aa911 |
| Base 12 | 237112 | 238712 |
| Base 13 | 1a6813 | 1a8013 |
| Base 14 | 163b14 | 165114 |
| Base 15 | 129d15 | 12b115 |
| Base 16 | f8516 | f9716 |