Compare 161921 vs 161957
| Property | 161921 | 161957 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1619211 | 1619571 |
| Prime factorization | 161921 | 161957 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161921 | 1, 161957 |
| Number of properties | 5 | 6 |
| Additive primes | 6087th | |
| Chen primes | 6329th | |
| Happy primes | 2298th | |
| Harmonic primes | 5564th | 5566th |
| Isolated primes | 11206th | |
| Primes | 14844th | 14847th |
| Pythagorean primes | 7400th | 7401st |
| Twin primes (1st member) | 1821st | |
| Roman numberals | ||
| Base 2 | 1001111000100000012 | 1001111000101001012 |
| Base 3 | 220200100023 | 220200111023 |
| Base 4 | 2132020014 | 2132022114 |
| Base 5 | 201401415 | 201403125 |
| Base 6 | 32453456 | 32454456 |
| Base 7 | 12430347 | 12431157 |
| Base 8 | 4742018 | 4742458 |
| Base 9 | 2661029 | 2661429 |
| Base 10 | 16192110 | 16195710 |
| Base 11 | 10072111 | 10075411 |
| Base 12 | 7985512 | 7988512 |
| Base 13 | 5891613 | 5894313 |
| Base 14 | 4301b14 | 4304514 |
| Base 15 | 32e9b15 | 32ec215 |
| Base 16 | 2788116 | 278a516 |