Compare 28718 vs 28729
| Property | 28718 | 28729 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 831 × 1731 | 287291 |
| Prime factorization | 2 × 83 × 173 | 28729 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 83, 166, 173, 346, 14359, 28718 | 1, 28729 |
| Number of properties | 0 | 5 |
| Isolated primes | 2217th | |
| Primes | 3130th | |
| Pythagorean primes | 1556th | |
| Sexy primes (2nd member) | 921st | |
| Ulam primes | 238th | |
| Roman numberals | ||
| Base 2 | 1110000001011102 | 1110000001110012 |
| Base 3 | 11101011223 | 11101020013 |
| Base 4 | 130002324 | 130003214 |
| Base 5 | 14043335 | 14044045 |
| Base 6 | 3405426 | 3410016 |
| Base 7 | 1465047 | 1465217 |
| Base 8 | 700568 | 700718 |
| Base 9 | 433489 | 433619 |
| Base 10 | 2871810 | 2872910 |
| Base 11 | 1a63811 | 1a64811 |
| Base 12 | 1475212 | 1476112 |
| Base 13 | 100c113 | 100cc13 |
| Base 14 | a67414 | a68114 |
| Base 15 | 879815 | 87a415 |
| Base 16 | 702e16 | 703916 |