Compare 664012 vs 664019
| Property | 664012 | 664019 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 191 × 87371 | 6640191 |
| Prime factorization | 2 × 2 × 19 × 8737 | 664019 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 19, 38, 76, 8737, 17474, 34948, 166003, 332006, 664012 | 1, 664019 |
| Number of properties | 0 | 4 |
| Chen primes | 21069th | |
| Isolated primes | 42239th | |
| Primes | 53870th | |
| Safe primes | 3109th | |
| Roman numberals | ||
| Base 2 | 101000100001110011002 | 101000100001110100112 |
| Base 3 | 10202012120013 | 10202012120223 |
| Base 4 | 22020130304 | 22020131034 |
| Base 5 | 1322220225 | 1322220345 |
| Base 6 | 221220446 | 221220556 |
| Base 7 | 54336167 | 54336267 |
| Base 8 | 24207148 | 24207238 |
| Base 9 | 12217619 | 12217689 |
| Base 10 | 66401210 | 66401910 |
| Base 11 | 41397811 | 41398411 |
| Base 12 | 28032412 | 28032b12 |
| Base 13 | 1a330b13 | 1a331513 |
| Base 14 | 133db614 | 133dbd14 |
| Base 15 | d1b2715 | d1b2e15 |
| Base 16 | a21cc16 | a21d316 |