Compare 161591 vs 161639
| Property | 161591 | 161639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1615911 | 1616391 |
| Prime factorization | 161591 | 161639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161591 | 1, 161639 |
| Number of properties | 6 | 6 |
| Additive primes | 6075th | |
| Chen primes | 6318th | 6320th |
| Emirps | 3261st | 3262nd |
| Harmonic primes | 5552nd | |
| Isolated primes | 11188th | |
| Primes | 14817th | 14821st |
| Safe primes | 985th | |
| Super primes | 1736th | |
| Twin primes (1st member) | 1816th | |
| Roman numberals | ||
| Base 2 | 1001110111001101112 | 1001110111011001112 |
| Base 3 | 220121222123 | 220122011223 |
| Base 4 | 2131303134 | 2131312134 |
| Base 5 | 201323315 | 201330245 |
| Base 6 | 32440356 | 32441556 |
| Base 7 | 12420537 | 12421527 |
| Base 8 | 4734678 | 4735478 |
| Base 9 | 2655859 | 2656489 |
| Base 10 | 16159110 | 16163910 |
| Base 11 | 10045111 | 10049511 |
| Base 12 | 7961b12 | 7965b12 |
| Base 13 | 5872113 | 5875a13 |
| Base 14 | 42c6314 | 42c9914 |
| Base 15 | 32d2b15 | 32d5e15 |
| Base 16 | 2773716 | 2776716 |