Compare 131023 vs 131221
| Property | 131023 | 131221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1310231 | 1312211 |
| Prime factorization | 131023 | 131221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131023 | 1, 131221 |
| Number of properties | 4 | 4 |
| Emirps | 2494th | |
| Harmonic primes | 4612th | |
| Isolated primes | 9196th | 9208th |
| Long primes | 4594th | |
| Primes | 12247th | 12261st |
| Pythagorean primes | 6100th | |
| Roman numberals | ||
| Base 2 | 111111111110011112 | 1000000000100101012 |
| Base 3 | 201222012013 | 202000000013 |
| Base 4 | 1333330334 | 2000021114 |
| Base 5 | 131430435 | 131443415 |
| Base 6 | 24503316 | 24513016 |
| Base 7 | 10536647 | 10543667 |
| Base 8 | 3777178 | 4002258 |
| Base 9 | 2186519 | 2200019 |
| Base 10 | 13102310 | 13122110 |
| Base 11 | 8a49211 | 8a65211 |
| Base 12 | 639a712 | 63b3112 |
| Base 13 | 4783913 | 4795c13 |
| Base 14 | 35a6b14 | 35b6d14 |
| Base 15 | 28c4d15 | 28d3115 |
| Base 16 | 1ffcf16 | 2009516 |