Compare 663959 vs 663983
| Property | 663959 | 663983 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6639591 | 6639831 |
| Prime factorization | 663959 | 663983 |
| Divisors count | 2 | 2 |
| Divisors | 1, 663959 | 1, 663983 |
| Number of properties | 3 | 5 |
| Chen primes | 21066th | |
| Cousin primes (2nd member) | 5809th | |
| Isolated primes | 42235th | |
| Primes | 53860th | 53866th |
| Prime triplets (3rd member) | 2118th | |
| Sexy primes (2nd member) | 11628th | |
| Twin primes (1st member) | 5815th | |
| Roman numberals | ||
| Base 2 | 101000100001100101112 | 101000100001101011112 |
| Base 3 | 10202012100023 | 10202012102223 |
| Base 4 | 22020121134 | 22020122334 |
| Base 5 | 1322213145 | 1322214135 |
| Base 6 | 221215156 | 221215556 |
| Base 7 | 54335127 | 54335457 |
| Base 8 | 24206278 | 24206578 |
| Base 9 | 12217029 | 12217289 |
| Base 10 | 66395910 | 66398310 |
| Base 11 | 41392a11 | 41395111 |
| Base 12 | 28029b12 | 2802bb12 |
| Base 13 | 1a329a13 | 1a32b813 |
| Base 14 | 133d7914 | 133d9514 |
| Base 15 | d1ade15 | d1b0815 |
| Base 16 | a219716 | a21af16 |