Compare 689891 vs 689897
| Property | 689891 | 689897 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6898911 | 131 × 530691 |
| Prime factorization | 689891 | 13 × 53069 |
| Divisors count | 2 | 4 |
| Divisors | 1, 689891 | 1, 13, 53069, 689897 |
| Number of properties | 4 | 1 |
| Additive primes | 21765th | |
| Chen primes | 21770th | |
| Primes | 55804th | |
| Semiprimes | 147326th | |
| Twin primes (1st member) | 5992nd | |
| Roman numberals | ||
| Base 2 | 101010000110111000112 | 101010000110111010012 |
| Base 3 | 10220011001123 | 10220011002023 |
| Base 4 | 22201232034 | 22201232214 |
| Base 5 | 1340340315 | 1340340425 |
| Base 6 | 224415356 | 224415456 |
| Base 7 | 56022267 | 56022357 |
| Base 8 | 25033438 | 25033518 |
| Base 9 | 12613159 | 12613229 |
| Base 10 | 68989110 | 68989710 |
| Base 11 | 43136411 | 43136a11 |
| Base 12 | 2932ab12 | 2932b512 |
| Base 13 | 1b202713 | 1b203013 |
| Base 14 | 13d5bd14 | 13d5c514 |
| Base 15 | d962b15 | d963215 |
| Base 16 | a86e316 | a86e916 |