Compare 509989 vs 509990
| Property | 509989 | 509990 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 5099891 | 21 × 51 × 131 × 39231 |
| Prime factorization | 509989 | 2 × 5 × 13 × 3923 |
| Divisors count | 2 | 16 |
| Divisors | 1, 509989 | 1, 2, 5, 10, 13, 26, 65, 130, 3923, 7846, 19615, 39230, 50999, 101998, 254995, 509990 |
| Number of properties | 3 | 0 |
| Isolated primes | 33028th | |
| Lucky primes | 4951st | |
| Primes | 42291st | |
| Roman numberals | ||
| Base 2 | 11111001000001001012 | 11111001000001001102 |
| Base 3 | 2212201201113 | 2212201201123 |
| Base 4 | 13302002114 | 13302002124 |
| Base 5 | 1123044245 | 1123044305 |
| Base 6 | 145330216 | 145330226 |
| Base 7 | 42225647 | 42225657 |
| Base 8 | 17440458 | 17440468 |
| Base 9 | 8565149 | 8565159 |
| Base 10 | 50998910 | 50999010 |
| Base 11 | 31918711 | 31918811 |
| Base 12 | 20717112 | 20717212 |
| Base 13 | 14b18c13 | 14b19013 |
| Base 14 | d3bdb14 | d3bdc14 |
| Base 15 | a119415 | a119515 |
| Base 16 | 7c82516 | 7c82616 |