Compare 681407 vs 681521
| Property | 681407 | 681521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6814071 | 6815211 |
| Prime factorization | 681407 | 681521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 681407 | 1, 681521 |
| Number of properties | 5 | 4 |
| Additive primes | 21520th | |
| Chen primes | 21544th | 21546th |
| Cousin primes (2nd member) | 5948th | |
| Primes | 55170th | 55180th |
| Prime triplets (2nd member) | 2166th | |
| Twin primes (1st member) | 5946th | 5948th |
| Roman numberals | ||
| Base 2 | 101001100101101111112 | 101001100110001100012 |
| Base 3 | 10211212010223 | 10211212121123 |
| Base 4 | 22121123334 | 22121203014 |
| Base 5 | 1333011125 | 1333020415 |
| Base 6 | 223343556 | 223351056 |
| Base 7 | 55354167 | 55356417 |
| Base 8 | 24626778 | 24630618 |
| Base 9 | 12476389 | 12477759 |
| Base 10 | 68140710 | 68152110 |
| Base 11 | 425a5111 | 42604511 |
| Base 12 | 28a3bb12 | 28a49512 |
| Base 13 | 1ab1cc13 | 1ab28913 |
| Base 14 | 13a47d14 | 13a52114 |
| Base 15 | d6d7215 | d6deb15 |
| Base 16 | a65bf16 | a663116 |