Compare 399680 vs 399689
| Property | 399680 | 399689 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 26 × 51 × 12491 | 3996891 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 1249 | 399689 |
| Divisors count | 28 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1249, 2498, 4996, 6245, 9992, 12490, 19984, 24980, 39968, 49960, 79936, 99920, 199840, 399680 | 1, 399689 |
| Number of properties | 0 | 3 |
| Chen primes | 13654th | |
| Primes | 33836th | |
| Twin primes (1st member) | 3802nd | |
| Roman numberals | ||
| Base 2 | 11000011001010000002 | 11000011001010010012 |
| Base 3 | 2020220202223 | 2020220210223 |
| Base 4 | 12012110004 | 12012110214 |
| Base 5 | 1002422105 | 1002422245 |
| Base 6 | 123222126 | 123222256 |
| Base 7 | 32531517 | 32531637 |
| Base 8 | 14145008 | 14145118 |
| Base 9 | 6682289 | 6682389 |
| Base 10 | 39968010 | 39968910 |
| Base 11 | 25331611 | 25332411 |
| Base 12 | 17336812 | 17337512 |
| Base 13 | 10cbc813 | 10cc0413 |
| Base 14 | a592814 | a593314 |
| Base 15 | 7d65515 | 7d65e15 |
| Base 16 | 6194016 | 6194916 |