Compare 18090 vs 18091
| Property | 18090 | 18091 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 21 × 33 × 51 × 671 | 791 × 2291 |
| Prime factorization | 2 × 3 × 3 × 3 × 5 × 67 | 79 × 229 |
| Divisors count | 32 | 4 |
| Divisors | 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1206, 1809, 2010, 3015, 3618, 6030, 9045, 18090 | 1, 79, 229, 18091 |
| Number of properties | 0 | 1 |
| Semiprimes | 4611th | |
| Roman numberals | ||
| Base 2 | 1000110101010102 | 1000110101010112 |
| Base 3 | 2202110003 | 2202110013 |
| Base 4 | 101222224 | 101222234 |
| Base 5 | 10343305 | 10343315 |
| Base 6 | 2154306 | 2154316 |
| Base 7 | 1035127 | 1035137 |
| Base 8 | 432528 | 432538 |
| Base 9 | 267309 | 267319 |
| Base 10 | 1809010 | 1809110 |
| Base 11 | 1265611 | 1265711 |
| Base 12 | a57612 | a57712 |
| Base 13 | 830713 | 830813 |
| Base 14 | 684214 | 684314 |
| Base 15 | 556015 | 556115 |
| Base 16 | 46aa16 | 46ab16 |