Compare 18210 vs 18218
| Property | 18210 | 18218 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 4 | 2 | 
| Total factors | 4 | 2 | 
| Prime factorization | 21 × 31 × 51 × 6071 | 21 × 91091 | 
| Prime factorization | 2 × 3 × 5 × 607 | 2 × 9109 | 
| Divisors count | 16 | 4 | 
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 607, 1214, 1821, 3035, 3642, 6070, 9105, 18210 | 1, 2, 9109, 18218 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 4640th | |
| Roman numberals | ||
| Base 2 | 1000111001000102 | 1000111001010102 | 
| Base 3 | 2202221103 | 2202222023 | 
| Base 4 | 101302024 | 101302224 | 
| Base 5 | 10403205 | 10403335 | 
| Base 6 | 2201506 | 2202026 | 
| Base 7 | 1040437 | 1040547 | 
| Base 8 | 434428 | 434528 | 
| Base 9 | 268739 | 268829 | 
| Base 10 | 1821010 | 1821810 | 
| Base 11 | 1275511 | 1276211 | 
| Base 12 | a65612 | a66212 | 
| Base 13 | 839a13 | 83a513 | 
| Base 14 | 68ca14 | 68d414 | 
| Base 15 | 55e015 | 55e815 | 
| Base 16 | 472216 | 472a16 |