Compare 189945 vs 189947
| Property | 189945 | 189947 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 34 × 51 × 71 × 671 | 1899471 |
| Prime factorization | 3 × 3 × 3 × 3 × 5 × 7 × 67 | 189947 |
| Divisors count | 40 | 2 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 105, 135, 189, 201, 315, 335, 405, 469, 567, 603, 945, 1005, 1407, 1809, 2345, 2835, 3015, 4221, 5427, 7035, 9045, 12663, 21105, 27135, 37989, 63315, 189945 | 1, 189947 |
| Number of properties | 0 | 4 |
| Chen primes | 7226th | |
| Harmonic primes | 6434th | |
| Primes | 17163rd | |
| Twin primes (1st member) | 2075th | |
| Roman numberals | ||
| Base 2 | 1011100101111110012 | 1011100101111110112 |
| Base 3 | 1001221200003 | 1001221200023 |
| Base 4 | 2321133214 | 2321133234 |
| Base 5 | 220342405 | 220342425 |
| Base 6 | 40232136 | 40232156 |
| Base 7 | 14205307 | 14205327 |
| Base 8 | 5627718 | 5627738 |
| Base 9 | 3185009 | 3185029 |
| Base 10 | 18994510 | 18994710 |
| Base 11 | 11a78811 | 11a78a11 |
| Base 12 | 91b0912 | 91b0b12 |
| Base 13 | 685c213 | 685c413 |
| Base 14 | 4d31714 | 4d31914 |
| Base 15 | 3b43015 | 3b43215 |
| Base 16 | 2e5f916 | 2e5fb16 |