Compare 189947 vs 189955
| Property | 189947 | 189955 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1899471 | 51 × 379911 |
| Prime factorization | 189947 | 5 × 37991 |
| Divisors count | 2 | 4 |
| Divisors | 1, 189947 | 1, 5, 37991, 189955 |
| Number of properties | 4 | 1 |
| Chen primes | 7226th | |
| Harmonic primes | 6434th | |
| Primes | 17163rd | |
| Semiprimes | 43060th | |
| Twin primes (1st member) | 2075th | |
| Roman numberals | ||
| Base 2 | 1011100101111110112 | 1011100110000000112 |
| Base 3 | 1001221200023 | 1001221201013 |
| Base 4 | 2321133234 | 2321200034 |
| Base 5 | 220342425 | 220343105 |
| Base 6 | 40232156 | 40232316 |
| Base 7 | 14205327 | 14205437 |
| Base 8 | 5627738 | 5630038 |
| Base 9 | 3185029 | 3185119 |
| Base 10 | 18994710 | 18995510 |
| Base 11 | 11a78a11 | 11a79711 |
| Base 12 | 91b0b12 | 91b1712 |
| Base 13 | 685c413 | 685cc13 |
| Base 14 | 4d31914 | 4d32314 |
| Base 15 | 3b43215 | 3b43a15 |
| Base 16 | 2e5fb16 | 2e60316 |