Compare 161831 vs 161921
| Property | 161831 | 161921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1618311 | 1619211 |
| Prime factorization | 161831 | 161921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161831 | 1, 161921 |
| Number of properties | 3 | 5 |
| Chen primes | 6329th | |
| Harmonic primes | 5560th | 5564th |
| Isolated primes | 11200th | |
| Primes | 14837th | 14844th |
| Pythagorean primes | 7400th | |
| Twin primes (1st member) | 1821st | |
| Roman numberals | ||
| Base 2 | 1001111000001001112 | 1001111000100000012 |
| Base 3 | 220122222023 | 220200100023 |
| Base 4 | 2132002134 | 2132020014 |
| Base 5 | 201343115 | 201401415 |
| Base 6 | 32451156 | 32453456 |
| Base 7 | 12425457 | 12430347 |
| Base 8 | 4740478 | 4742018 |
| Base 9 | 2658829 | 2661029 |
| Base 10 | 16183110 | 16192110 |
| Base 11 | 10064a11 | 10072111 |
| Base 12 | 7979b12 | 7985512 |
| Base 13 | 5887713 | 5891613 |
| Base 14 | 42d9514 | 4301b14 |
| Base 15 | 32e3b15 | 32e9b15 |
| Base 16 | 2782716 | 2788116 |