Compare 28031 vs 28040
| Property | 28031 | 28040 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 280311 | 23 × 51 × 7011 |
| Prime factorization | 28031 | 2 × 2 × 2 × 5 × 701 |
| Divisors count | 2 | 16 |
| Divisors | 1, 28031 | 1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3505, 5608, 7010, 14020, 28040 |
| Number of properties | 3 | 0 |
| Cousin primes (2nd member) | 448th | |
| Isolated primes | 2168th | |
| Primes | 3059th | |
| Roman numberals | ||
| Base 2 | 1101101011111112 | 1101101100010002 |
| Base 3 | 11021100123 | 11021101123 |
| Base 4 | 123113334 | 123120204 |
| Base 5 | 13441115 | 13441305 |
| Base 6 | 3334356 | 3334526 |
| Base 7 | 1445037 | 1445157 |
| Base 8 | 665778 | 666108 |
| Base 9 | 424059 | 424159 |
| Base 10 | 2803110 | 2804010 |
| Base 11 | 1a07311 | 1a08111 |
| Base 12 | 1427b12 | 1428812 |
| Base 13 | c9b313 | c9bc13 |
| Base 14 | a30314 | a30c14 |
| Base 15 | 848b15 | 849515 |
| Base 16 | 6d7f16 | 6d8816 |