Compare 20986 vs 20991
| Property | 20986 | 20991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 14991 | 31 × 69971 |
| Prime factorization | 2 × 7 × 1499 | 3 × 6997 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 14, 1499, 2998, 10493, 20986 | 1, 3, 6997, 20991 |
| Number of properties | 0 | 1 |
| Semiprimes | 5325th | |
| Roman numberals | ||
| Base 2 | 1010001111110102 | 1010001111111112 |
| Base 3 | 10012100213 | 10012101103 |
| Base 4 | 110133224 | 110133334 |
| Base 5 | 11324215 | 11324315 |
| Base 6 | 2410546 | 2411036 |
| Base 7 | 1151207 | 1151257 |
| Base 8 | 507728 | 507778 |
| Base 9 | 317079 | 317139 |
| Base 10 | 2098610 | 2099110 |
| Base 11 | 1484911 | 1485311 |
| Base 12 | 1018a12 | 1019312 |
| Base 13 | 972413 | 972913 |
| Base 14 | 791014 | 791514 |
| Base 15 | 634115 | 634615 |
| Base 16 | 51fa16 | 51ff16 |