Compare 990381 vs 990389
| Property | 990381 | 990389 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 471611 | 9903891 |
| Prime factorization | 3 × 7 × 47161 | 990389 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 47161, 141483, 330127, 990381 | 1, 990389 |
| Number of properties | 0 | 6 |
| Chen primes | 29714th | |
| Isolated primes | 61598th | |
| Primes | 77809th | |
| Sexy primes (2nd member) | 16249th | |
| Sexy prime quadrupletss (4th member) | 324th | |
| Sexy prime triplets (3rd member) | 2878th | |
| Roman numberals | ||
| Base 2 | 111100011100101011012 | 111100011100101101012 |
| Base 3 | 12120221122103 | 12120221200023 |
| Base 4 | 33013022314 | 33013023114 |
| Base 5 | 2231430115 | 2231430245 |
| Base 6 | 331210336 | 331210456 |
| Base 7 | 112632607 | 112633017 |
| Base 8 | 36162558 | 36162658 |
| Base 9 | 17684839 | 17685029 |
| Base 10 | 99038110 | 99038910 |
| Base 11 | 6170a711 | 61710411 |
| Base 12 | 3b917912 | 3b918512 |
| Base 13 | 288a3213 | 288a3a13 |
| Base 14 | 1bacd714 | 1bad0114 |
| Base 15 | 1486a615 | 1486ae15 |
| Base 16 | f1cad16 | f1cb516 |