Compare 163991 vs 164000
| Property | 163991 | 164000 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 9 |
| Prime factorization | 1639911 | 25 × 53 × 411 |
| Prime factorization | 163991 | 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 41 |
| Divisors count | 2 | 48 |
| Divisors | 1, 163991 | 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 125, 160, 164, 200, 205, 250, 328, 400, 410, 500, 656, 800, 820, 1000, 1025, 1312, 1640, 2000, 2050, 3280, 4000, 4100, 5125, 6560, 8200, 10250, 16400, 20500, 32800, 41000, 82000, 164000 |
| Number of properties | 9 | 0 |
| Additive primes | 6148th | |
| Chen primes | 6398th | |
| Cousin primes (2nd member) | 1811th | |
| Primes | 15014th | |
| Prime triplets (1st member) | 717th | |
| Prime triplets (2nd member) | 716th | |
| Sexy primes (1st member) | 3637th | |
| Sophie germain primes | 1752nd | |
| Twin primes (1st member) | 1838th | |
| Roman numberals | ||
| Base 2 | 1010000000100101112 | 1010000000101000002 |
| Base 3 | 220222212023 | 220222220023 |
| Base 4 | 2200021134 | 2200022004 |
| Base 5 | 202214315 | 202220005 |
| Base 6 | 33031156 | 33031326 |
| Base 7 | 12520527 | 12520647 |
| Base 8 | 5002278 | 5002408 |
| Base 9 | 2688529 | 2688629 |
| Base 10 | 16399110 | 16400010 |
| Base 11 | 10223311 | 10224111 |
| Base 12 | 7aa9b12 | 7aaa812 |
| Base 13 | 5984913 | 5985513 |
| Base 14 | 43a9914 | 43aa414 |
| Base 15 | 338cb15 | 338d515 |
| Base 16 | 2809716 | 280a016 |