Compare 21257 vs 21261
| Property | 21257 | 21261 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 291 × 7331 | 31 × 191 × 3731 |
| Prime factorization | 29 × 733 | 3 × 19 × 373 |
| Divisors count | 4 | 8 |
| Divisors | 1, 29, 733, 21257 | 1, 3, 19, 57, 373, 1119, 7087, 21261 |
| Number of properties | 1 | 0 |
| Semiprimes | 5386th | |
| Roman numberals | ||
| Base 2 | 1010011000010012 | 1010011000011012 |
| Base 3 | 10020110223 | 10020111103 |
| Base 4 | 110300214 | 110300314 |
| Base 5 | 11400125 | 11400215 |
| Base 6 | 2422256 | 2422336 |
| Base 7 | 1156557 | 1156627 |
| Base 8 | 514118 | 514158 |
| Base 9 | 321389 | 321439 |
| Base 10 | 2125710 | 2126110 |
| Base 11 | 14a7511 | 14a7911 |
| Base 12 | 1037512 | 1037912 |
| Base 13 | 98a213 | 98a613 |
| Base 14 | 7a6514 | 7a6914 |
| Base 15 | 647215 | 647615 |
| Base 16 | 530916 | 530d16 |