Compare 3991 vs 4006
| Property | 3991 | 4006 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 3071 | 21 × 20031 |
| Prime factorization | 13 × 307 | 2 × 2003 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 307, 3991 | 1, 2, 2003, 4006 |
| Number of properties | 1 | 1 |
| Semiprimes | 1102nd | 1106th |
| Roman numberals | MMMCMXCI | MMMMVI |
| Base 2 | 1111100101112 | 1111101001102 |
| Base 3 | 121102113 | 121111013 |
| Base 4 | 3321134 | 3322124 |
| Base 5 | 1114315 | 1120115 |
| Base 6 | 302516 | 303146 |
| Base 7 | 144317 | 144527 |
| Base 8 | 76278 | 76468 |
| Base 9 | 54249 | 54419 |
| Base 10 | 399110 | 400610 |
| Base 11 | 2aa911 | 301211 |
| Base 12 | 238712 | 239a12 |
| Base 13 | 1a8013 | 1a9213 |
| Base 14 | 165114 | 166214 |
| Base 15 | 12b115 | 12c115 |
| Base 16 | f9716 | fa616 |