Compare 9999 vs 10007
| Property | 9999 | 10007 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 1011 | 100071 |
| Prime factorization | 3 × 3 × 11 × 101 | 10007 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999 | 1, 10007 |
| Number of properties | 0 | 7 |
| Chen primes | 634th | |
| Emirps | 241st | |
| Good primes | 177th | |
| Long primes | 468th | |
| Primes | 1230th | |
| Safe primes | 116th | |
| Twin primes (1st member) | 206th | |
| Roman numberals | ||
| Base 2 | 100111000011112 | 100111000101112 |
| Base 3 | 1112011003 | 1112011223 |
| Base 4 | 21300334 | 21301134 |
| Base 5 | 3044445 | 3100125 |
| Base 6 | 1141436 | 1141556 |
| Base 7 | 411037 | 411147 |
| Base 8 | 234178 | 234278 |
| Base 9 | 146409 | 146489 |
| Base 10 | 999910 | 1000710 |
| Base 11 | 757011 | 757811 |
| Base 12 | 595312 | 595b12 |
| Base 13 | 472213 | 472a13 |
| Base 14 | 390314 | 390b14 |
| Base 15 | 2e6915 | 2e7215 |
| Base 16 | 270f16 | 271716 |