Compare 81899 vs 81904
| Property | 81899 | 81904 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 5 |
| Prime factorization | 818991 | 24 × 51191 |
| Prime factorization | 81899 | 2 × 2 × 2 × 2 × 5119 |
| Divisors count | 2 | 10 |
| Divisors | 1, 81899 | 1, 2, 4, 8, 16, 5119, 10238, 20476, 40952, 81904 |
| Number of properties | 6 | 0 |
| Chen primes | 3611th | |
| Happy primes | 1240th | |
| Long primes | 3038th | |
| Primes | 8007th | |
| Safe primes | 573rd | |
| Twin primes (1st member) | 1030th | |
| Roman numberals | ||
| Base 2 | 100111111111010112 | 100111111111100002 |
| Base 3 | 110111000223 | 110111001113 |
| Base 4 | 1033332234 | 1033333004 |
| Base 5 | 101100445 | 101101045 |
| Base 6 | 14310556 | 14311046 |
| Base 7 | 4605267 | 4605347 |
| Base 8 | 2377538 | 2377608 |
| Base 9 | 1343089 | 1343149 |
| Base 10 | 8189910 | 8190410 |
| Base 11 | 5659411 | 5659911 |
| Base 12 | 3b48b12 | 3b49412 |
| Base 13 | 2b37c13 | 2b38413 |
| Base 14 | 21bbd14 | 21bc414 |
| Base 15 | 193ee15 | 1940415 |
| Base 16 | 13feb16 | 13ff016 |