Compare 206821 vs 206831
| Property | 206821 | 206831 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2068211 | 1071 × 19331 |
| Prime factorization | 206821 | 107 × 1933 |
| Divisors count | 2 | 4 |
| Divisors | 1, 206821 | 1, 107, 1933, 206831 |
| Number of properties | 6 | 1 |
| Additive primes | 7476th | |
| Happy primes | 2820th | |
| Primes | 18534th | |
| Pythagorean primes | 9248th | |
| Semiprimes | 46709th | |
| Sexy primes (1st member) | 4411th | |
| Twin primes (2nd member) | 2218th | |
| Roman numberals | ||
| Base 2 | 1100100111111001012 | 1100100111111011112 |
| Base 3 | 1011112010013 | 1011112011023 |
| Base 4 | 3021332114 | 3021332334 |
| Base 5 | 231042415 | 231043115 |
| Base 6 | 42333016 | 42333156 |
| Base 7 | 15206567 | 15210027 |
| Base 8 | 6237458 | 6237578 |
| Base 9 | 3446319 | 3446429 |
| Base 10 | 20682110 | 20683110 |
| Base 11 | 13142a11 | 13143911 |
| Base 12 | 9b83112 | 9b83b12 |
| Base 13 | 731a413 | 731b113 |
| Base 14 | 5552d14 | 5553914 |
| Base 15 | 4143115 | 4143b15 |
| Base 16 | 327e516 | 327ef16 |