Compare 206821 vs 207121
| Property | 206821 | 207121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2068211 | 2071211 |
| Prime factorization | 206821 | 207121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 206821 | 1, 207121 |
| Number of properties | 6 | 6 |
| Additive primes | 7476th | 7487th |
| Happy primes | 2820th | |
| Harmonic primes | 6953rd | |
| Isolated primes | 14118th | |
| Primes | 18534th | 18557th |
| Pythagorean primes | 9248th | 9263rd |
| Sexy primes (1st member) | 4411th | 4416th |
| Twin primes (2nd member) | 2218th | |
| Roman numberals | ||
| Base 2 | 1100100111111001012 | 1100101001000100012 |
| Base 3 | 1011112010013 | 1011120100113 |
| Base 4 | 3021332114 | 3022101014 |
| Base 5 | 231042415 | 231114415 |
| Base 6 | 42333016 | 42345216 |
| Base 7 | 15206567 | 15215657 |
| Base 8 | 6237458 | 6244218 |
| Base 9 | 3446319 | 3451049 |
| Base 10 | 20682110 | 20712110 |
| Base 11 | 13142a11 | 13168211 |
| Base 12 | 9b83112 | 9ba4112 |
| Base 13 | 731a413 | 7337513 |
| Base 14 | 5552d14 | 556a514 |
| Base 15 | 4143115 | 4158115 |
| Base 16 | 327e516 | 3291116 |