Compare 645149 vs 645159
| Property | 645149 | 645159 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6451491 | 31 × 831 × 25911 |
| Prime factorization | 645149 | 3 × 83 × 2591 |
| Divisors count | 2 | 8 |
| Divisors | 1, 645149 | 1, 3, 83, 249, 2591, 7773, 215053, 645159 |
| Number of properties | 5 | 0 |
| Additive primes | 20506th | |
| Chen primes | 20517th | |
| Isolated primes | 41122nd | |
| Primes | 52461st | |
| Sophie germain primes | 5350th | |
| Roman numberals | ||
| Base 2 | 100111011000000111012 | 100111011000001001112 |
| Base 3 | 10122022221023 | 10122022222103 |
| Base 4 | 21312001314 | 21312002134 |
| Base 5 | 1311210445 | 1311211145 |
| Base 6 | 214544456 | 214545036 |
| Base 7 | 53246217 | 53246347 |
| Base 8 | 23540358 | 23540478 |
| Base 9 | 11828729 | 11828839 |
| Base 10 | 64514910 | 64515910 |
| Base 11 | 40078a11 | 40079911 |
| Base 12 | 27142512 | 27143312 |
| Base 13 | 19785b13 | 19786813 |
| Base 14 | 12b18114 | 12b18b14 |
| Base 15 | cb24e15 | cb25915 |
| Base 16 | 9d81d16 | 9d82716 |