Compare 9999 vs 10001
| Property | 9999 | 10001 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 111 × 1011 | 731 × 1371 |
| Prime factorization | 3 × 3 × 11 × 101 | 73 × 137 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999 | 1, 73, 137, 10001 |
| Number of properties | 0 | 1 |
| Semiprimes | 2626th | |
| Roman numberals | ||
| Base 2 | 100111000011112 | 100111000100012 |
| Base 3 | 1112011003 | 1112011023 |
| Base 4 | 21300334 | 21301014 |
| Base 5 | 3044445 | 3100015 |
| Base 6 | 1141436 | 1141456 |
| Base 7 | 411037 | 411057 |
| Base 8 | 234178 | 234218 |
| Base 9 | 146409 | 146429 |
| Base 10 | 999910 | 1000110 |
| Base 11 | 757011 | 757211 |
| Base 12 | 595312 | 595512 |
| Base 13 | 472213 | 472413 |
| Base 14 | 390314 | 390514 |
| Base 15 | 2e6915 | 2e6b15 |
| Base 16 | 270f16 | 271116 |