Compare 18216 vs 18223
| Property | 18216 | 18223 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 23 × 32 × 111 × 231 | 182231 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 11 × 23 | 18223 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 44, 46, 66, 69, 72, 88, 92, 99, 132, 138, 184, 198, 207, 253, 264, 276, 396, 414, 506, 552, 759, 792, 828, 1012, 1518, 1656, 2024, 2277, 3036, 4554, 6072, 9108, 18216 | 1, 18223 |
| Number of properties | 0 | 9 |
| Happy primes | 357th | |
| Harmonic primes | 756th | |
| Isolated primes | 1449th | |
| Primes | 2088th | |
| Sexy primes (1st member) | 645th | |
| Sexy primes (2nd member) | 644th | |
| Sexy prime quadrupletss (3rd member) | 34th | |
| Sexy prime triplets (2nd member) | 180th | |
| Sexy prime triplets (3rd member) | 179th | |
| Roman numberals | ||
| Base 2 | 1000111001010002 | 1000111001011112 |
| Base 3 | 2202222003 | 2202222213 |
| Base 4 | 101302204 | 101302334 |
| Base 5 | 10403315 | 10403435 |
| Base 6 | 2202006 | 2202116 |
| Base 7 | 1040527 | 1040627 |
| Base 8 | 434508 | 434578 |
| Base 9 | 268809 | 268879 |
| Base 10 | 1821610 | 1822310 |
| Base 11 | 1276011 | 1276711 |
| Base 12 | a66012 | a66712 |
| Base 13 | 83a313 | 83aa13 |
| Base 14 | 68d214 | 68d914 |
| Base 15 | 55e615 | 55ed15 |
| Base 16 | 472816 | 472f16 |