Compare 220121 vs 220145
| Property | 220121 | 220145 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 200111 | 51 × 440291 |
| Prime factorization | 11 × 20011 | 5 × 44029 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 20011, 220121 | 1, 5, 44029, 220145 |
| Number of properties | 1 | 1 |
| Semiprimes | 49551st | 49558th |
| Roman numberals | ||
| Base 2 | 1101011011110110012 | 1101011011111100012 |
| Base 3 | 1020112211223 | 1020112221123 |
| Base 4 | 3112331214 | 3112333014 |
| Base 5 | 240204415 | 240210405 |
| Base 6 | 44150256 | 44151056 |
| Base 7 | 16045167 | 16045527 |
| Base 8 | 6557318 | 6557618 |
| Base 9 | 3648489 | 3648759 |
| Base 10 | 22012110 | 22014510 |
| Base 11 | 14042011 | 14044211 |
| Base 12 | a747512 | a749512 |
| Base 13 | 7926513 | 7928313 |
| Base 14 | 5a30d14 | 5a32914 |
| Base 15 | 4534b15 | 4536515 |
| Base 16 | 35bd916 | 35bf116 |