Compare 161639 vs 161783
| Property | 161639 | 161783 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1616391 | 1617831 |
| Prime factorization | 161639 | 161783 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161639 | 1, 161783 |
| Number of properties | 6 | 6 |
| Chen primes | 6320th | |
| Cousin primes (2nd member) | 1796th | |
| Emirps | 3262nd | 3268th |
| Isolated primes | 11198th | |
| Long primes | 5539th | |
| Primes | 14821st | 14835th |
| Safe primes | 985th | |
| Sophie germain primes | 1733rd | |
| Super primes | 1736th | |
| Twin primes (1st member) | 1816th | |
| Roman numberals | ||
| Base 2 | 1001110111011001112 | 1001110111111101112 |
| Base 3 | 220122011223 | 220122202223 |
| Base 4 | 2131312134 | 2131333134 |
| Base 5 | 201330245 | 201341135 |
| Base 6 | 32441556 | 32445556 |
| Base 7 | 12421527 | 12424467 |
| Base 8 | 4735478 | 4737678 |
| Base 9 | 2656489 | 2658289 |
| Base 10 | 16163910 | 16178310 |
| Base 11 | 10049511 | 10060611 |
| Base 12 | 7965b12 | 7975b12 |
| Base 13 | 5875a13 | 5883b13 |
| Base 14 | 42c9914 | 42d5d14 |
| Base 15 | 32d5e15 | 32e0815 |
| Base 16 | 2776716 | 277f716 |