Compare 161639 vs 163223
| Property | 161639 | 163223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1616391 | 1632231 |
| Prime factorization | 161639 | 163223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161639 | 1, 163223 |
| Number of properties | 6 | 6 |
| Additive primes | 6129th | |
| Chen primes | 6320th | |
| Emirps | 3262nd | |
| Isolated primes | 11289th | |
| Long primes | 5585th | |
| Primes | 14821st | 14952nd |
| Safe primes | 985th | 991st |
| Super primes | 1736th | |
| Twin primes (1st member) | 1816th | |
| Ulam primes | 1072nd | |
| Roman numberals | ||
| Base 2 | 1001110111011001112 | 1001111101100101112 |
| Base 3 | 220122011223 | 220212200223 |
| Base 4 | 2131312134 | 2133121134 |
| Base 5 | 201330245 | 202103435 |
| Base 6 | 32441556 | 32553556 |
| Base 7 | 12421527 | 12466047 |
| Base 8 | 4735478 | 4766278 |
| Base 9 | 2656489 | 2678089 |
| Base 10 | 16163910 | 16322310 |
| Base 11 | 10049511 | 1016a511 |
| Base 12 | 7965b12 | 7a55b12 |
| Base 13 | 5875a13 | 593a813 |
| Base 14 | 42c9914 | 436ab14 |
| Base 15 | 32d5e15 | 3356815 |
| Base 16 | 2776716 | 27d9716 |