Compare 990813 vs 990820
| Property | 990813 | 990820 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 3302711 | 22 × 51 × 1071 × 4631 |
| Prime factorization | 3 × 330271 | 2 × 2 × 5 × 107 × 463 |
| Divisors count | 4 | 24 |
| Divisors | 1, 3, 330271, 990813 | 1, 2, 4, 5, 10, 20, 107, 214, 428, 463, 535, 926, 1070, 1852, 2140, 2315, 4630, 9260, 49541, 99082, 198164, 247705, 495410, 990820 |
| Number of properties | 1 | 0 |
| Semiprimes | 208199th | |
| Roman numberals | ||
| Base 2 | 111100011110010111012 | 111100011110011001002 |
| Base 3 | 12121000102103 | 12121000110013 |
| Base 4 | 33013211314 | 33013212104 |
| Base 5 | 2232012235 | 2232012405 |
| Base 6 | 331230336 | 331230446 |
| Base 7 | 112644457 | 112644557 |
| Base 8 | 36171358 | 36171448 |
| Base 9 | 17701239 | 17701319 |
| Base 10 | 99081310 | 99082010 |
| Base 11 | 61745a11 | 61746611 |
| Base 12 | 3b947912 | 3b948412 |
| Base 13 | 288ca513 | 288cac13 |
| Base 14 | 1bb12514 | 1bb12c14 |
| Base 15 | 14889315 | 14889a15 |
| Base 16 | f1e5d16 | f1e6416 |