Compare 729 vs 731
| Property | 729 | 731 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 36 | 171 × 431 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 3 | 17 × 43 |
| Divisors count | 7 | 4 |
| Divisors | 1, 3, 9, 27, 81, 243, 729 | 1, 17, 43, 731 |
| Number of properties | 0 | 1 |
| Semiprimes | 221st | |
| Roman numberals | DCCXXIX | DCCXXXI |
| Base 2 | 10110110012 | 10110110112 |
| Base 3 | 10000003 | 10000023 |
| Base 4 | 231214 | 231234 |
| Base 5 | 104045 | 104115 |
| Base 6 | 32136 | 32156 |
| Base 7 | 20617 | 20637 |
| Base 8 | 13318 | 13338 |
| Base 9 | 10009 | 10029 |
| Base 10 | 72910 | 73110 |
| Base 11 | 60311 | 60511 |
| Base 12 | 50912 | 50b12 |
| Base 13 | 44113 | 44313 |
| Base 14 | 3a114 | 3a314 |
| Base 15 | 33915 | 33b15 |
| Base 16 | 2d916 | 2db16 |