Compare 680399 vs 681521
| Property | 680399 | 681521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6803991 | 6815211 |
| Prime factorization | 680399 | 681521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 680399 | 1, 681521 |
| Number of properties | 3 | 4 |
| Additive primes | 21520th | |
| Chen primes | 21519th | 21546th |
| Primes | 55095th | 55180th |
| Twin primes (1st member) | 5936th | 5948th |
| Roman numberals | ||
| Base 2 | 101001100001110011112 | 101001100110001100012 |
| Base 3 | 10211200222223 | 10211212121123 |
| Base 4 | 22120130334 | 22121203014 |
| Base 5 | 1332330445 | 1333020415 |
| Base 6 | 223255556 | 223351056 |
| Base 7 | 55324467 | 55356417 |
| Base 8 | 24607178 | 24630618 |
| Base 9 | 12462889 | 12477759 |
| Base 10 | 68039910 | 68152110 |
| Base 11 | 42521511 | 42604511 |
| Base 12 | 2898bb12 | 28a49512 |
| Base 13 | 1aa90513 | 1ab28913 |
| Base 14 | 139d5d14 | 13a52114 |
| Base 15 | d68ee15 | d6deb15 |
| Base 16 | a61cf16 | a663116 |