Compare 30640 vs 30649
| Property | 30640 | 30649 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 51 × 3831 | 306491 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 383 | 30649 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 6128, 7660, 15320, 30640 | 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 | 1110111101100002 | 1110111101110012 |
| Base 3 | 11200002113 | 11200010113 |
| Base 4 | 131323004 | 131323214 |
| Base 5 | 14400305 | 14400445 |
| Base 6 | 3535046 | 3535216 |
| Base 7 | 1552217 | 1552337 |
| Base 8 | 736608 | 736718 |
| Base 9 | 460249 | 460349 |
| Base 10 | 3064010 | 3064910 |
| Base 11 | 2102511 | 2103311 |
| Base 12 | 1589412 | 158a112 |
| Base 13 | 10c3c13 | 10c4813 |
| Base 14 | b24814 | b25314 |
| Base 15 | 912a15 | 913415 |
| Base 16 | 77b016 | 77b916 |