Compare 728728 vs 728729
| Property | 728728 | 728729 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 23 × 72 × 111 × 132 | 7287291 |
| Prime factorization | 2 × 2 × 2 × 7 × 7 × 11 × 13 × 13 | 728729 |
| Divisors count | 72 | 2 |
| Divisors | 1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 143, 154, 169, 182, 196, 286, 308, 338, 364, 392, 539, 572, 616, 637, 676, 728, 1001, 1078, 1144, 1183, 1274, 1352, 1859, 2002, 2156, 2366, 2548, 3718, 4004, 4312, 4732, 5096, 7007, 7436, 8008, 8281, 9464, 13013, 14014, 14872, 16562, 26026, 28028, 33124, 52052, 56056, 66248, 91091, 104104, 182182, 364364, 728728 | 1, 728729 |
| Number of properties | 0 | 6 |
| Chen primes | 22827th | |
| Primes | 58687th | |
| Sexy primes (2nd member) | 12566th | |
| Sophie germain primes | 5921st | |
| Super primes | 5937th | |
| Twin primes (1st member) | 6264th | |
| Roman numberals | ||
| Base 2 | 101100011110100110002 | 101100011110100110012 |
| Base 3 | 11010001212213 | 11010001212223 |
| Base 4 | 23013221204 | 23013221214 |
| Base 5 | 1413044035 | 1413044045 |
| Base 6 | 233414246 | 233414256 |
| Base 7 | 61234007 | 61234017 |
| Base 8 | 26172308 | 26172318 |
| Base 9 | 13305579 | 13305589 |
| Base 10 | 72872810 | 72872910 |
| Base 11 | 45856011 | 45856111 |
| Base 12 | 2b187412 | 2b187512 |
| Base 13 | 1c690013 | 1c690113 |
| Base 14 | 14d80014 | 14d80114 |
| Base 15 | e5dbd15 | e5dbe15 |
| Base 16 | b1e9816 | b1e9916 |