Compare 990807 vs 990813
| Property | 990807 | 990813 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 471 × 70271 | 31 × 3302711 |
| Prime factorization | 3 × 47 × 7027 | 3 × 330271 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 47, 141, 7027, 21081, 330269, 990807 | 1, 3, 330271, 990813 |
| Number of properties | 0 | 1 |
| Semiprimes | 208199th | |
| Roman numberals | ||
| Base 2 | 111100011110010101112 | 111100011110010111012 |
| Base 3 | 12121000101203 | 12121000102103 |
| Base 4 | 33013211134 | 33013211314 |
| Base 5 | 2232012125 | 2232012235 |
| Base 6 | 331230236 | 331230336 |
| Base 7 | 112644367 | 112644457 |
| Base 8 | 36171278 | 36171358 |
| Base 9 | 17701169 | 17701239 |
| Base 10 | 99080710 | 99081310 |
| Base 11 | 61745411 | 61745a11 |
| Base 12 | 3b947312 | 3b947912 |
| Base 13 | 288c9c13 | 288ca513 |
| Base 14 | 1bb11d14 | 1bb12514 |
| Base 15 | 14888c15 | 14889315 |
| Base 16 | f1e5716 | f1e5d16 |