Compare 18218 vs 18220
| Property | 18218 | 18220 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 91091 | 22 × 51 × 9111 |
| Prime factorization | 2 × 9109 | 2 × 2 × 5 × 911 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 9109, 18218 | 1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 18220 |
| Number of properties | 1 | 0 |
| Semiprimes | 4640th | |
| Roman numberals | ||
| Base 2 | 1000111001010102 | 1000111001011002 |
| Base 3 | 2202222023 | 2202222113 |
| Base 4 | 101302224 | 101302304 |
| Base 5 | 10403335 | 10403405 |
| Base 6 | 2202026 | 2202046 |
| Base 7 | 1040547 | 1040567 |
| Base 8 | 434528 | 434548 |
| Base 9 | 268829 | 268849 |
| Base 10 | 1821810 | 1822010 |
| Base 11 | 1276211 | 1276411 |
| Base 12 | a66212 | a66412 |
| Base 13 | 83a513 | 83a713 |
| Base 14 | 68d414 | 68d614 |
| Base 15 | 55e815 | 55ea15 |
| Base 16 | 472a16 | 472c16 |