Compare 3998 vs 4000
| Property | 3998 | 4000 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 8 |
| Prime factorization | 21 × 19991 | 25 × 53 |
| Prime factorization | 2 × 1999 | 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 |
| Divisors count | 4 | 24 |
| Divisors | 1, 2, 1999, 3998 | 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000 |
| Number of properties | 1 | 0 |
| Semiprimes | 1105th | |
| Roman numberals | MMMCMXCVIII | MMMM |
| Base 2 | 1111100111102 | 1111101000002 |
| Base 3 | 121110023 | 121110113 |
| Base 4 | 3321324 | 3322004 |
| Base 5 | 1114435 | 1120005 |
| Base 6 | 303026 | 303046 |
| Base 7 | 144417 | 144437 |
| Base 8 | 76368 | 76408 |
| Base 9 | 54329 | 54349 |
| Base 10 | 399810 | 400010 |
| Base 11 | 300511 | 300711 |
| Base 12 | 239212 | 239412 |
| Base 13 | 1a8713 | 1a8913 |
| Base 14 | 165814 | 165a14 |
| Base 15 | 12b815 | 12ba15 |
| Base 16 | f9e16 | fa016 |