Compare 215449 vs 215459
| Property | 215449 | 215459 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 165731 | 2154591 |
| Prime factorization | 13 × 16573 | 215459 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 16573, 215449 | 1, 215459 |
| Number of properties | 1 | 5 |
| Chen primes | 8030th | |
| Harmonic primes | 7213th | |
| Long primes | 7203rd | |
| Primes | 19246th | |
| Semiprimes | 48549th | |
| Twin primes (1st member) | 2290th | |
| Roman numberals | ||
| Base 2 | 1101001001100110012 | 1101001001101000112 |
| Base 3 | 1012211121213 | 1012211122223 |
| Base 4 | 3102121214 | 3102122034 |
| Base 5 | 233432445 | 233433145 |
| Base 6 | 43412416 | 43412556 |
| Base 7 | 15550637 | 15551067 |
| Base 8 | 6446318 | 6446438 |
| Base 9 | 3574779 | 3574889 |
| Base 10 | 21544910 | 21545910 |
| Base 11 | 13796311 | 13797211 |
| Base 12 | a482112 | a482b12 |
| Base 13 | 770b013 | 770ba13 |
| Base 14 | 5873314 | 5873d14 |
| Base 15 | 43c8415 | 43c8e15 |
| Base 16 | 3499916 | 349a316 |