Compare 727 vs 731
| Property | 727 | 731 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 7271 | 171 × 431 |
| Prime factorization | 727 | 17 × 43 |
| Divisors count | 2 | 4 |
| Divisors | 1, 727 | 1, 17, 43, 731 |
| Number of properties | 8 | 1 |
| Good primes | 36th | |
| Isolated primes | 70th | |
| Long primes | 47th | |
| Lucky primes | 35th | |
| Palindromic primes | 15th | |
| Primes | 129th | |
| Semiprimes | 221st | |
| Sexy primes (1st member) | 61st | |
| Sexy prime triplets (1st member) | 26th | |
| Roman numberals | DCCXXVII | DCCXXXI |
| Base 2 | 10110101112 | 10110110112 |
| Base 3 | 2222213 | 10000023 |
| Base 4 | 231134 | 231234 |
| Base 5 | 104025 | 104115 |
| Base 6 | 32116 | 32156 |
| Base 7 | 20567 | 20637 |
| Base 8 | 13278 | 13338 |
| Base 9 | 8879 | 10029 |
| Base 10 | 72710 | 73110 |
| Base 11 | 60111 | 60511 |
| Base 12 | 50712 | 50b12 |
| Base 13 | 43c13 | 44313 |
| Base 14 | 39d14 | 3a314 |
| Base 15 | 33715 | 33b15 |
| Base 16 | 2d716 | 2db16 |