Compare 990999 vs 991001
| Property | 990999 | 991001 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 32 × 1491 × 7391 | 111 × 231 × 39171 |
| Prime factorization | 3 × 3 × 149 × 739 | 11 × 23 × 3917 |
| Divisors count | 12 | 8 |
| Divisors | 1, 3, 9, 149, 447, 739, 1341, 2217, 6651, 110111, 330333, 990999 | 1, 11, 23, 253, 3917, 43087, 90091, 991001 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 111100011111000101112 | 111100011111000110012 |
| Base 3 | 12121001012003 | 12121001012023 |
| Base 4 | 33013301134 | 33013301214 |
| Base 5 | 2232024445 | 2232030015 |
| Base 6 | 331235436 | 331235456 |
| Base 7 | 112651327 | 112651347 |
| Base 8 | 36174278 | 36174318 |
| Base 9 | 17703509 | 17703529 |
| Base 10 | 99099910 | 99100110 |
| Base 11 | 61760911 | 61761011 |
| Base 12 | 3b95b312 | 3b95b512 |
| Base 13 | 2890b913 | 2890bb13 |
| Base 14 | 1bb21914 | 1bb21b14 |
| Base 15 | 14896915 | 14896b15 |
| Base 16 | f1f1716 | f1f1916 |