Compare 161639 vs 164147
| Property | 161639 | 164147 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1616391 | 1641471 |
| Prime factorization | 161639 | 164147 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161639 | 1, 164147 |
| Number of properties | 6 | 6 |
| Additive primes | 6156th | |
| Chen primes | 6320th | 6402nd |
| Emirps | 3262nd | |
| Harmonic primes | 5642nd | |
| Primes | 14821st | 15027th |
| Safe primes | 985th | 996th |
| Super primes | 1736th | |
| Twin primes (1st member) | 1816th | 1839th |
| Roman numberals | ||
| Base 2 | 1001110111011001112 | 1010000001001100112 |
| Base 3 | 220122011223 | 221000111123 |
| Base 4 | 2131312134 | 2200103034 |
| Base 5 | 201330245 | 202230425 |
| Base 6 | 32441556 | 33035356 |
| Base 7 | 12421527 | 12523647 |
| Base 8 | 4735478 | 5004638 |
| Base 9 | 2656489 | 2701459 |
| Base 10 | 16163910 | 16414710 |
| Base 11 | 10049511 | 10236511 |
| Base 12 | 7965b12 | 7abab12 |
| Base 13 | 5875a13 | 5993913 |
| Base 14 | 42c9914 | 43b6b14 |
| Base 15 | 32d5e15 | 3398215 |
| Base 16 | 2776716 | 2813316 |