Compare 135721 vs 161881
| Property | 135721 | 161881 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1357211 | 1618811 |
| Prime factorization | 135721 | 161881 |
| Divisors count | 2 | 2 |
| Divisors | 1, 135721 | 1, 161881 |
| Number of properties | 7 | 6 |
| Additive primes | 5221st | |
| Centered square primes | 75th | 80th |
| Happy primes | 2297th | |
| Harmonic primes | 4753rd | |
| Lucky primes | 1916th | |
| Primes | 12645th | 14842nd |
| Pythagorean primes | 6299th | 7399th |
| Sexy primes (1st member) | 3120th | |
| Twin primes (2nd member) | 1573rd | 1820th |
| Roman numberals | ||
| Base 2 | 1000010010001010012 | 1001111000010110012 |
| Base 3 | 202200112013 | 220200011213 |
| Base 4 | 2010202214 | 2132011214 |
| Base 5 | 133203415 | 201400115 |
| Base 6 | 25242016 | 32452416 |
| Base 7 | 11034557 | 12426467 |
| Base 8 | 4110518 | 4741318 |
| Base 9 | 2261519 | 2660479 |
| Base 10 | 13572110 | 16188110 |
| Base 11 | 92a7311 | 10069511 |
| Base 12 | 6666112 | 7982112 |
| Base 13 | 49a1113 | 588b513 |
| Base 14 | 3766514 | 42dcd14 |
| Base 15 | 2a33115 | 32e7115 |
| Base 16 | 2122916 | 2785916 |