Compare 989999 vs 992021
| Property | 989999 | 992021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9899991 | 9920211 |
| Prime factorization | 989999 | 992021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 989999 | 1, 992021 |
| Number of properties | 4 | 7 |
| Additive primes | 29854th | 29907th |
| Chen primes | 29704th | 29752nd |
| Emirps | 11000th | |
| Primes | 77777th | 77929th |
| Sophie germain primes | 7690th | |
| Super primes | 7656th | |
| Twin primes (1st member) | 8102nd | 8114th |
| Roman numberals | ||
| Base 2 | 111100011011001011112 | 111100100011000101012 |
| Base 3 | 12120220001223 | 12121012101123 |
| Base 4 | 33012302334 | 33020301114 |
| Base 5 | 2231344445 | 2232210415 |
| Base 6 | 331151556 | 331324056 |
| Base 7 | 112622037 | 113011227 |
| Base 8 | 36154578 | 36214258 |
| Base 9 | 17680189 | 17717159 |
| Base 10 | 98999910 | 99202110 |
| Base 11 | 61688a11 | 61835811 |
| Base 12 | 3b8abb12 | 3ba10512 |
| Base 13 | 2887ca13 | 2896c413 |
| Base 14 | 1bab0314 | 1bb74914 |
| Base 15 | 1484ee15 | 148deb15 |
| Base 16 | f1b2f16 | f231516 |