Compare 243 vs 249
| Property | 243 | 249 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 35 | 31 × 831 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 | 3 × 83 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 27, 81, 243 | 1, 3, 83, 249 |
| Number of properties | 0 | 1 |
| Semiprimes | 80th | |
| Roman numberals | CCXLIII | CCXLIX |
| Base 2 | 111100112 | 111110012 |
| Base 3 | 1000003 | 1000203 |
| Base 4 | 33034 | 33214 |
| Base 5 | 14335 | 14445 |
| Base 6 | 10436 | 10536 |
| Base 7 | 4657 | 5047 |
| Base 8 | 3638 | 3718 |
| Base 9 | 3009 | 3069 |
| Base 10 | 24310 | 24910 |
| Base 11 | 20111 | 20711 |
| Base 12 | 18312 | 18912 |
| Base 13 | 15913 | 16213 |
| Base 14 | 13514 | 13b14 |
| Base 15 | 11315 | 11915 |
| Base 16 | f316 | f916 |