Compare 989999 vs 990007
| Property | 989999 | 990007 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 9899991 | 4311 × 22971 |
| Prime factorization | 989999 | 431 × 2297 |
| Divisors count | 2 | 4 |
| Divisors | 1, 989999 | 1, 431, 2297, 990007 |
| Number of properties | 4 | 1 |
| Additive primes | 29854th | |
| Chen primes | 29704th | |
| Primes | 77777th | |
| Semiprimes | 208031st | |
| Twin primes (1st member) | 8102nd | |
| Roman numberals | ||
| Base 2 | 111100011011001011112 | 111100011011001101112 |
| Base 3 | 12120220001223 | 12120220002213 |
| Base 4 | 33012302334 | 33012303134 |
| Base 5 | 2231344445 | 2231400125 |
| Base 6 | 331151556 | 331152116 |
| Base 7 | 112622037 | 112622147 |
| Base 8 | 36154578 | 36154678 |
| Base 9 | 17680189 | 17680279 |
| Base 10 | 98999910 | 99000710 |
| Base 11 | 61688a11 | 61689711 |
| Base 12 | 3b8abb12 | 3b8b0712 |
| Base 13 | 2887ca13 | 28880513 |
| Base 14 | 1bab0314 | 1bab0b14 |
| Base 15 | 1484ee15 | 14850715 |
| Base 16 | f1b2f16 | f1b3716 |