Compare 21993 vs 21998
| Property | 21993 | 21998 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 73311 | 21 × 171 × 6471 |
| Prime factorization | 3 × 7331 | 2 × 17 × 647 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 7331, 21993 | 1, 2, 17, 34, 647, 1294, 10999, 21998 |
| Number of properties | 1 | 0 |
| Semiprimes | 5553rd | |
| Roman numberals | ||
| Base 2 | 1010101111010012 | 1010101111011102 |
| Base 3 | 10100111203 | 10100112023 |
| Base 4 | 111132214 | 111132324 |
| Base 5 | 12004335 | 12004435 |
| Base 6 | 2454536 | 2455026 |
| Base 7 | 1210567 | 1210647 |
| Base 8 | 527518 | 527568 |
| Base 9 | 331469 | 331529 |
| Base 10 | 2199310 | 2199810 |
| Base 11 | 1558411 | 1558911 |
| Base 12 | 1088912 | 1089212 |
| Base 13 | a01a13 | a02213 |
| Base 14 | 802d14 | 803414 |
| Base 15 | 67b315 | 67b815 |
| Base 16 | 55e916 | 55ee16 |