Compare 819989 vs 820001
| Property | 819989 | 820001 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 8199891 | 71 × 131 × 90111 |
| Prime factorization | 819989 | 7 × 13 × 9011 |
| Divisors count | 2 | 8 |
| Divisors | 1, 819989 | 1, 7, 13, 91, 9011, 63077, 117143, 820001 |
| Number of properties | 3 | 0 |
| Chen primes | 25270th | |
| Primes | 65415th | |
| Twin primes (1st member) | 6894th | |
| Roman numberals | ||
| Base 2 | 110010000011000101012 | 110010000011001000012 |
| Base 3 | 11121222102223 | 11121222111023 |
| Base 4 | 30200301114 | 30200302014 |
| Base 5 | 2022144245 | 2022200015 |
| Base 6 | 253241256 | 253241456 |
| Base 7 | 66534327 | 66534507 |
| Base 8 | 31014258 | 31014418 |
| Base 9 | 14787289 | 14787429 |
| Base 10 | 81998910 | 82000110 |
| Base 11 | 51008511 | 51009611 |
| Base 12 | 33664512 | 33665512 |
| Base 13 | 22930113 | 22931013 |
| Base 14 | 174b8914 | 174b9714 |
| Base 15 | 112e5e15 | 112e6b15 |
| Base 16 | c831516 | c832116 |