Compare 20991 vs 20995
| Property | 20991 | 20995 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 69971 | 51 × 131 × 171 × 191 |
| Prime factorization | 3 × 6997 | 5 × 13 × 17 × 19 |
| Divisors count | 4 | 16 |
| Divisors | 1, 3, 6997, 20991 | 1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995 |
| Number of properties | 1 | 0 |
| Semiprimes | 5325th | |
| Roman numberals | ||
| Base 2 | 1010001111111112 | 1010010000000112 |
| Base 3 | 10012101103 | 10012101213 |
| Base 4 | 110133334 | 110200034 |
| Base 5 | 11324315 | 11324405 |
| Base 6 | 2411036 | 2411116 |
| Base 7 | 1151257 | 1151327 |
| Base 8 | 507778 | 510038 |
| Base 9 | 317139 | 317179 |
| Base 10 | 2099110 | 2099510 |
| Base 11 | 1485311 | 1485711 |
| Base 12 | 1019312 | 1019712 |
| Base 13 | 972913 | 973013 |
| Base 14 | 791514 | 791914 |
| Base 15 | 634615 | 634a15 |
| Base 16 | 51ff16 | 520316 |