Compare 664243 vs 664381
| Property | 664243 | 664381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6642431 | 6643811 |
| Prime factorization | 664243 | 664381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 664243 | 1, 664381 |
| Number of properties | 3 | 4 |
| Chen primes | 21083rd | |
| Isolated primes | 42254th | |
| Primes | 53887th | 53897th |
| Super primes | 5489th | 5491st |
| Twin primes (2nd member) | 5819th | |
| Roman numberals | ||
| Base 2 | 101000100010101100112 | 101000100011001111012 |
| Base 3 | 10202020111213 | 10202021002013 |
| Base 4 | 22020223034 | 22020303314 |
| Base 5 | 1322234335 | 1322300115 |
| Base 6 | 221231116 | 221235016 |
| Base 7 | 54343667 | 54346547 |
| Base 8 | 24212638 | 24214758 |
| Base 9 | 12221479 | 12223219 |
| Base 10 | 66424310 | 66438110 |
| Base 11 | 41406811 | 41418311 |
| Base 12 | 28049712 | 28059112 |
| Base 13 | 1a345813 | 1a353313 |
| Base 14 | 1340dd14 | 13419b14 |
| Base 15 | d1c2d15 | d1cc115 |
| Base 16 | a22b316 | a233d16 |