Compare 161639 vs 162143
| Property | 161639 | 162143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1616391 | 1621431 |
| Prime factorization | 161639 | 162143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161639 | 1, 162143 |
| Number of properties | 6 | 7 |
| Additive primes | 6095th | |
| Chen primes | 6320th | 6338th |
| Emirps | 3262nd | |
| Harmonic primes | 5576th | |
| Isolated primes | 11219th | |
| Long primes | 5549th | |
| Primes | 14821st | 14862nd |
| Safe primes | 985th | 986th |
| Super primes | 1736th | |
| Twin primes (1st member) | 1816th | |
| Roman numberals | ||
| Base 2 | 1001110111011001112 | 1001111001010111112 |
| Base 3 | 220122011223 | 220201020223 |
| Base 4 | 2131312134 | 2132111334 |
| Base 5 | 201330245 | 201420335 |
| Base 6 | 32441556 | 32503556 |
| Base 7 | 12421527 | 12435027 |
| Base 8 | 4735478 | 4745378 |
| Base 9 | 2656489 | 2663689 |
| Base 10 | 16163910 | 16214310 |
| Base 11 | 10049511 | 10090311 |
| Base 12 | 7965b12 | 799bb12 |
| Base 13 | 5875a13 | 58a5713 |
| Base 14 | 42c9914 | 4313914 |
| Base 15 | 32d5e15 | 3309815 |
| Base 16 | 2776716 | 2795f16 |