Compare 219981 vs 219990
| Property | 219981 | 219990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 733271 | 21 × 31 × 51 × 73331 |
| Prime factorization | 3 × 73327 | 2 × 3 × 5 × 7333 |
| Divisors count | 4 | 16 |
| Divisors | 1, 3, 73327, 219981 | 1, 2, 3, 5, 6, 10, 15, 30, 7333, 14666, 21999, 36665, 43998, 73330, 109995, 219990 |
| Number of properties | 1 | 0 |
| Semiprimes | 49518th | |
| Roman numberals | ||
| Base 2 | 1101011011010011012 | 1101011011010101102 |
| Base 3 | 1020112021103 | 1020112022103 |
| Base 4 | 3112310314 | 3112311124 |
| Base 5 | 240144115 | 240144305 |
| Base 6 | 44142336 | 44142506 |
| Base 7 | 16042267 | 16042417 |
| Base 8 | 6555158 | 6555268 |
| Base 9 | 3646739 | 3646839 |
| Base 10 | 21998110 | 21999010 |
| Base 11 | 14030311 | 14031111 |
| Base 12 | a737912 | a738612 |
| Base 13 | 7918813 | 7919413 |
| Base 14 | 5a24d14 | 5a25814 |
| Base 15 | 452a615 | 452b015 |
| Base 16 | 35b4d16 | 35b5616 |