Compare 171221 vs 171230
| Property | 171221 | 171230 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 471 × 36431 | 21 × 51 × 171231 |
| Prime factorization | 47 × 3643 | 2 × 5 × 17123 |
| Divisors count | 4 | 8 |
| Divisors | 1, 47, 3643, 171221 | 1, 2, 5, 10, 17123, 34246, 85615, 171230 |
| Number of properties | 1 | 0 |
| Semiprimes | 39043rd | |
| Roman numberals | ||
| Base 2 | 1010011100110101012 | 1010011100110111102 |
| Base 3 | 222002121123 | 222002122123 |
| Base 4 | 2213031114 | 2213031324 |
| Base 5 | 204343415 | 204344105 |
| Base 6 | 34004056 | 34004226 |
| Base 7 | 13121217 | 13121337 |
| Base 8 | 5163258 | 5163368 |
| Base 9 | 2807759 | 2807859 |
| Base 10 | 17122110 | 17123010 |
| Base 11 | 10770611 | 10771411 |
| Base 12 | 8310512 | 8311212 |
| Base 13 | 5cc1b13 | 5cc2713 |
| Base 14 | 4658114 | 4658a14 |
| Base 15 | 35aeb15 | 35b0515 |
| Base 16 | 29cd516 | 29cde16 |