Compare 1723 vs 1728
| Property | 1723 | 1728 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 9 |
| Prime factorization | 17231 | 26 × 33 |
| Prime factorization | 1723 | 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| Divisors count | 2 | 28 |
| Divisors | 1, 1723 | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728 |
| Number of properties | 6 | 0 |
| Additive primes | 144th | |
| Emirps | 82nd | |
| Lucky primes | 64th | |
| Primes | 269th | |
| Super primes | 57th | |
| Twin primes (2nd member) | 55th | |
| Roman numberals | MDCCXXIII | MDCCXXVIII |
| Base 2 | 110101110112 | 110110000002 |
| Base 3 | 21002113 | 21010003 |
| Base 4 | 1223234 | 1230004 |
| Base 5 | 233435 | 234035 |
| Base 6 | 115516 | 120006 |
| Base 7 | 50117 | 50167 |
| Base 8 | 32738 | 33008 |
| Base 9 | 23249 | 23309 |
| Base 10 | 172310 | 172810 |
| Base 11 | 132711 | 133111 |
| Base 12 | bb712 | 100012 |
| Base 13 | a2713 | a2c13 |
| Base 14 | 8b114 | 8b614 |
| Base 15 | 79d15 | 7a315 |
| Base 16 | 6bb16 | 6c016 |