Compare 4639 vs 4647
| Property | 4639 | 4647 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 46391 | 31 × 15491 |
| Prime factorization | 4639 | 3 × 1549 |
| Divisors count | 2 | 4 |
| Divisors | 1, 4639 | 1, 3, 1549, 4647 |
| Number of properties | 4 | 1 |
| Cousin primes (1st member) | 115th | |
| Primes | 626th | |
| Prime triplets (2nd member) | 77th | |
| Semiprimes | 1275th | |
| Twin primes (2nd member) | 120th | |
| Roman numberals | MMMMDCXXXIX | MMMMDCXLVII |
| Base 2 | 10010000111112 | 10010001001112 |
| Base 3 | 201002113 | 201010103 |
| Base 4 | 10201334 | 10202134 |
| Base 5 | 1220245 | 1220425 |
| Base 6 | 332516 | 333036 |
| Base 7 | 163457 | 163567 |
| Base 8 | 110378 | 110478 |
| Base 9 | 63249 | 63339 |
| Base 10 | 463910 | 464710 |
| Base 11 | 353811 | 354511 |
| Base 12 | 282712 | 283312 |
| Base 13 | 215b13 | 216613 |
| Base 14 | 199514 | 199d14 |
| Base 15 | 159415 | 159c15 |
| Base 16 | 121f16 | 122716 |