Compare 142159 vs 142161
| Property | 142159 | 142161 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1421591 | 31 × 473871 |
| Prime factorization | 142159 | 3 × 47387 |
| Divisors count | 2 | 4 |
| Divisors | 1, 142159 | 1, 3, 47387, 142161 |
| Number of properties | 4 | 1 |
| Chen primes | 5680th | |
| Harmonic primes | 4952nd | |
| Primes | 13199th | |
| Semiprimes | 32645th | |
| Twin primes (2nd member) | 1629th | |
| Roman numberals | ||
| Base 2 | 1000101011010011112 | 1000101011010100012 |
| Base 3 | 210200000113 | 210200000203 |
| Base 4 | 2022310334 | 2022311014 |
| Base 5 | 140221145 | 140221215 |
| Base 6 | 30140516 | 30140536 |
| Base 7 | 11313137 | 11313157 |
| Base 8 | 4255178 | 4255218 |
| Base 9 | 2360049 | 2360069 |
| Base 10 | 14215910 | 14216110 |
| Base 11 | 9789611 | 9789811 |
| Base 12 | 6a32712 | 6a32912 |
| Base 13 | 4c92413 | 4c92613 |
| Base 14 | 39b4314 | 39b4514 |
| Base 15 | 2c1c415 | 2c1c615 |
| Base 16 | 22b4f16 | 22b5116 |