Compare 20991 vs 20996
| Property | 20991 | 20996 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 69971 | 22 × 291 × 1811 |
| Prime factorization | 3 × 6997 | 2 × 2 × 29 × 181 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 6997, 20991 | 1, 2, 4, 29, 58, 116, 181, 362, 724, 5249, 10498, 20996 |
| Number of properties | 1 | 0 |
| Semiprimes | 5325th | |
| Roman numberals | ||
| Base 2 | 1010001111111112 | 1010010000001002 |
| Base 3 | 10012101103 | 10012101223 |
| Base 4 | 110133334 | 110200104 |
| Base 5 | 11324315 | 11324415 |
| Base 6 | 2411036 | 2411126 |
| Base 7 | 1151257 | 1151337 |
| Base 8 | 507778 | 510048 |
| Base 9 | 317139 | 317189 |
| Base 10 | 2099110 | 2099610 |
| Base 11 | 1485311 | 1485811 |
| Base 12 | 1019312 | 1019812 |
| Base 13 | 972913 | 973113 |
| Base 14 | 791514 | 791a14 |
| Base 15 | 634615 | 634b15 |
| Base 16 | 51ff16 | 520416 |