Compare 664238 vs 664243
| Property | 664238 | 664243 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 671 × 49571 | 6642431 |
| Prime factorization | 2 × 67 × 4957 | 664243 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 67, 134, 4957, 9914, 332119, 664238 | 1, 664243 |
| Number of properties | 0 | 3 |
| Isolated primes | 42254th | |
| Primes | 53887th | |
| Super primes | 5489th | |
| Roman numberals | ||
| Base 2 | 101000100010101011102 | 101000100010101100112 |
| Base 3 | 10202020111023 | 10202020111213 |
| Base 4 | 22020222324 | 22020223034 |
| Base 5 | 1322234235 | 1322234335 |
| Base 6 | 221231026 | 221231116 |
| Base 7 | 54343617 | 54343667 |
| Base 8 | 24212568 | 24212638 |
| Base 9 | 12221429 | 12221479 |
| Base 10 | 66423810 | 66424310 |
| Base 11 | 41406311 | 41406811 |
| Base 12 | 28049212 | 28049712 |
| Base 13 | 1a345313 | 1a345813 |
| Base 14 | 1340d814 | 1340dd14 |
| Base 15 | d1c2815 | d1c2d15 |
| Base 16 | a22ae16 | a22b316 |