Compare 61220 vs 61221
| Property | 61220 | 61221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 30611 | 31 × 204071 |
| Prime factorization | 2 × 2 × 5 × 3061 | 3 × 20407 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 3061, 6122, 12244, 15305, 30610, 61220 | 1, 3, 20407, 61221 |
| Number of properties | 0 | 1 |
| Semiprimes | 14655th | |
| Roman numberals | ||
| Base 2 | 11101111001001002 | 11101111001001012 |
| Base 3 | 100022221023 | 100022221103 |
| Base 4 | 323302104 | 323302114 |
| Base 5 | 34243405 | 34243415 |
| Base 6 | 11512326 | 11512336 |
| Base 7 | 3433257 | 3433267 |
| Base 8 | 1674448 | 1674458 |
| Base 9 | 1028729 | 1028739 |
| Base 10 | 6122010 | 6122110 |
| Base 11 | 41aa511 | 41aa611 |
| Base 12 | 2b51812 | 2b51912 |
| Base 13 | 21b3313 | 21b3413 |
| Base 14 | 1844c14 | 1844d14 |
| Base 15 | 1321515 | 1321615 |
| Base 16 | ef2416 | ef2516 |