Compare 142139 vs 142161
| Property | 142139 | 142161 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 191 × 74811 | 31 × 473871 |
| Prime factorization | 19 × 7481 | 3 × 47387 |
| Divisors count | 4 | 4 |
| Divisors | 1, 19, 7481, 142139 | 1, 3, 47387, 142161 |
| Number of properties | 1 | 1 |
| Semiprimes | 32639th | 32645th |
| Roman numberals | ||
| Base 2 | 1000101011001110112 | 1000101011010100012 |
| Base 3 | 210122221023 | 210200000203 |
| Base 4 | 2022303234 | 2022311014 |
| Base 5 | 140220245 | 140221215 |
| Base 6 | 30140156 | 30140536 |
| Base 7 | 11312547 | 11313157 |
| Base 8 | 4254738 | 4255218 |
| Base 9 | 2358729 | 2360069 |
| Base 10 | 14213910 | 14216110 |
| Base 11 | 9787811 | 9789811 |
| Base 12 | 6a30b12 | 6a32912 |
| Base 13 | 4c90a13 | 4c92613 |
| Base 14 | 39b2b14 | 39b4514 |
| Base 15 | 2c1ae15 | 2c1c615 |
| Base 16 | 22b3b16 | 22b5116 |