Compare 28729 vs 28739
| Property | 28729 | 28739 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 287291 | 291 × 9911 |
| Prime factorization | 28729 | 29 × 991 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28729 | 1, 29, 991, 28739 |
| Number of properties | 5 | 1 |
| Isolated primes | 2217th | |
| Primes | 3130th | |
| Pythagorean primes | 1556th | |
| Semiprimes | 7149th | |
| Sexy primes (2nd member) | 921st | |
| Ulam primes | 238th | |
| Roman numberals | ||
| Base 2 | 1110000001110012 | 1110000010000112 |
| Base 3 | 11101020013 | 11101021023 |
| Base 4 | 130003214 | 130010034 |
| Base 5 | 14044045 | 14044245 |
| Base 6 | 3410016 | 3410156 |
| Base 7 | 1465217 | 1465347 |
| Base 8 | 700718 | 701038 |
| Base 9 | 433619 | 433729 |
| Base 10 | 2872910 | 2873910 |
| Base 11 | 1a64811 | 1a65711 |
| Base 12 | 1476112 | 1476b12 |
| Base 13 | 100cc13 | 1010913 |
| Base 14 | a68114 | a68b14 |
| Base 15 | 87a415 | 87ae15 |
| Base 16 | 703916 | 704316 |