Compare 30639 vs 30649
| Property | 30639 | 30649 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 14591 | 306491 |
| Prime factorization | 3 × 7 × 1459 | 30649 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 1459, 4377, 10213, 30639 | 1, 30649 |
| Number of properties | 0 | 7 |
| Emirps | 649th | |
| Isolated primes | 2357th | |
| Primes | 3306th | |
| Pythagorean primes | 1643rd | |
| Sexy primes (2nd member) | 967th | |
| Sexy prime quadrupletss (4th member) | 44th | |
| Sexy prime triplets (3rd member) | 248th | |
| Roman numberals | ||
| Base 2 | 1110111101011112 | 1110111101110012 |
| Base 3 | 11200002103 | 11200010113 |
| Base 4 | 131322334 | 131323214 |
| Base 5 | 14400245 | 14400445 |
| Base 6 | 3535036 | 3535216 |
| Base 7 | 1552207 | 1552337 |
| Base 8 | 736578 | 736718 |
| Base 9 | 460239 | 460349 |
| Base 10 | 3063910 | 3064910 |
| Base 11 | 2102411 | 2103311 |
| Base 12 | 1589312 | 158a112 |
| Base 13 | 10c3b13 | 10c4813 |
| Base 14 | b24714 | b25314 |
| Base 15 | 912915 | 913415 |
| Base 16 | 77af16 | 77b916 |