Compare 30642 vs 30643
| Property | 30642 | 30643 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 51071 | 306431 |
| Prime factorization | 2 × 3 × 5107 | 30643 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 5107, 10214, 15321, 30642 | 1, 30643 |
| Number of properties | 0 | 10 |
| Emirps | 648th | |
| Happy primes | 543rd | |
| Isolated primes | 2356th | |
| Lucky primes | 510th | |
| Primes | 3305th | |
| Sexy primes (1st member) | 967th | |
| Sexy primes (2nd member) | 966th | |
| Sexy prime quadrupletss (3rd member) | 44th | |
| Sexy prime triplets (2nd member) | 248th | |
| Sexy prime triplets (3rd member) | 247th | |
| Roman numberals | ||
| Base 2 | 1110111101100102 | 1110111101100112 |
| Base 3 | 11200002203 | 11200002213 |
| Base 4 | 131323024 | 131323034 |
| Base 5 | 14400325 | 14400335 |
| Base 6 | 3535106 | 3535116 |
| Base 7 | 1552237 | 1552247 |
| Base 8 | 736628 | 736638 |
| Base 9 | 460269 | 460279 |
| Base 10 | 3064210 | 3064310 |
| Base 11 | 2102711 | 2102811 |
| Base 12 | 1589612 | 1589712 |
| Base 13 | 10c4113 | 10c4213 |
| Base 14 | b24a14 | b24b14 |
| Base 15 | 912c15 | 912d15 |
| Base 16 | 77b216 | 77b316 |