Compare 680805 vs 680809
| Property | 680805 | 680809 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 34 × 51 × 412 | 6808091 |
| Prime factorization | 3 × 3 × 3 × 3 × 5 × 41 × 41 | 680809 |
| Divisors count | 30 | 2 |
| Divisors | 1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1681, 1845, 3321, 5043, 5535, 8405, 15129, 16605, 25215, 45387, 75645, 136161, 226935, 680805 | 1, 680809 |
| Number of properties | 0 | 6 |
| Additive primes | 21504th | |
| Chen primes | 21529th | |
| Isolated primes | 43248th | |
| Lucky primes | 6286th | |
| Primes | 55125th | |
| Sexy primes (2nd member) | 11859th | |
| Roman numberals | ||
| Base 2 | 101001100011011001012 | 101001100011011010012 |
| Base 3 | 10211202200003 | 10211202200113 |
| Base 4 | 22120312114 | 22120312214 |
| Base 5 | 1332412105 | 1332412145 |
| Base 6 | 223315136 | 223315216 |
| Base 7 | 55335667 | 55336037 |
| Base 8 | 24615458 | 24615518 |
| Base 9 | 12468009 | 12468049 |
| Base 10 | 68080510 | 68080910 |
| Base 11 | 42555411 | 42555811 |
| Base 12 | 289b9912 | 289ba112 |
| Base 13 | 1aab5813 | 1aab5c13 |
| Base 14 | 13a16d14 | 13a17314 |
| Base 15 | d6ac015 | d6ac415 |
| Base 16 | a636516 | a636916 |