Compare 189387 vs 189391
| Property | 189387 | 189391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 19131 | 1893911 |
| Prime factorization | 3 × 3 × 11 × 1913 | 189391 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 33, 99, 1913, 5739, 17217, 21043, 63129, 189387 | 1, 189391 |
| Number of properties | 0 | 4 |
| Additive primes | 6929th | |
| Chen primes | 7212th | |
| Primes | 17113th | |
| Twin primes (2nd member) | 2069th | |
| Roman numberals | ||
| Base 2 | 1011100011110010112 | 1011100011110011112 |
| Base 3 | 1001212101003 | 1001212101113 |
| Base 4 | 2320330234 | 2320330334 |
| Base 5 | 220300225 | 220300315 |
| Base 6 | 40204436 | 40204516 |
| Base 7 | 14161027 | 14161067 |
| Base 8 | 5617138 | 5617178 |
| Base 9 | 3177109 | 3177149 |
| Base 10 | 18938710 | 18939110 |
| Base 11 | 11a32011 | 11a32411 |
| Base 12 | 9172312 | 9172712 |
| Base 13 | 6828313 | 6828713 |
| Base 14 | 4d03914 | 4d03d14 |
| Base 15 | 3b1ac15 | 3b1b115 |
| Base 16 | 2e3cb16 | 2e3cf16 |