Compare 7680 vs 7681
| Property | 7680 | 7681 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 11 | 1 |
| Prime factorization | 29 × 31 × 51 | 76811 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 | 7681 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680 | 1, 7681 |
| Number of properties | 0 | 7 |
| Emirps | 177th | |
| Isolated primes | 631st | |
| Primes | 974th | |
| Proth primes | 32nd | |
| Pythagorean primes | 482nd | |
| Sexy primes (1st member) | 335th | |
| Solinas primes | 73rd | |
| Roman numberals | ||
| Base 2 | 11110000000002 | 11110000000012 |
| Base 3 | 1011121103 | 1011121113 |
| Base 4 | 13200004 | 13200014 |
| Base 5 | 2212105 | 2212115 |
| Base 6 | 553206 | 553216 |
| Base 7 | 312517 | 312527 |
| Base 8 | 170008 | 170018 |
| Base 9 | 114739 | 114749 |
| Base 10 | 768010 | 768110 |
| Base 11 | 585211 | 585311 |
| Base 12 | 454012 | 454112 |
| Base 13 | 365a13 | 365b13 |
| Base 14 | 2b2814 | 2b2914 |
| Base 15 | 242015 | 242115 |
| Base 16 | 1e0016 | 1e0116 |