Compare 20979 vs 20991
| Property | 20979 | 20991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 34 × 71 × 371 | 31 × 69971 |
| Prime factorization | 3 × 3 × 3 × 3 × 7 × 37 | 3 × 6997 |
| Divisors count | 20 | 4 |
| Divisors | 1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 20979 | 1, 3, 6997, 20991 |
| Number of properties | 0 | 1 |
| Semiprimes | 5325th | |
| Roman numberals | ||
| Base 2 | 1010001111100112 | 1010001111111112 |
| Base 3 | 10012100003 | 10012101103 |
| Base 4 | 110133034 | 110133334 |
| Base 5 | 11324045 | 11324315 |
| Base 6 | 2410436 | 2411036 |
| Base 7 | 1151107 | 1151257 |
| Base 8 | 507638 | 507778 |
| Base 9 | 317009 | 317139 |
| Base 10 | 2097910 | 2099110 |
| Base 11 | 1484211 | 1485311 |
| Base 12 | 1018312 | 1019312 |
| Base 13 | 971a13 | 972913 |
| Base 14 | 790714 | 791514 |
| Base 15 | 633915 | 634615 |
| Base 16 | 51f316 | 51ff16 |