Compare 161807 vs 161921
| Property | 161807 | 161921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1618071 | 1619211 |
| Prime factorization | 161807 | 161921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161807 | 1, 161921 |
| Number of properties | 5 | 5 |
| Additive primes | 6084th | |
| Chen primes | 6329th | |
| Emirps | 3269th | |
| Harmonic primes | 5564th | |
| Isolated primes | 11199th | |
| Long primes | 5540th | |
| Primes | 14836th | 14844th |
| Pythagorean primes | 7400th | |
| Twin primes (1st member) | 1821st | |
| Roman numberals | ||
| Base 2 | 1001111000000011112 | 1001111000100000012 |
| Base 3 | 220122212123 | 220200100023 |
| Base 4 | 2132000334 | 2132020014 |
| Base 5 | 201342125 | 201401415 |
| Base 6 | 32450356 | 32453456 |
| Base 7 | 12425127 | 12430347 |
| Base 8 | 4740178 | 4742018 |
| Base 9 | 2658559 | 2661029 |
| Base 10 | 16180710 | 16192110 |
| Base 11 | 10062811 | 10072111 |
| Base 12 | 7977b12 | 7985512 |
| Base 13 | 5885913 | 5891613 |
| Base 14 | 42d7914 | 4301b14 |
| Base 15 | 32e2215 | 32e9b15 |
| Base 16 | 2780f16 | 2788116 |