Compare 180221 vs 180811
| Property | 180221 | 180811 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1802211 | 1808111 |
| Prime factorization | 180221 | 180811 |
| Divisors count | 2 | 2 |
| Divisors | 1, 180221 | 1, 180811 |
| Number of properties | 7 | 7 |
| Additive primes | 6682nd | |
| Chen primes | 6918th | 6944th |
| Cuban primes 1 | 85th | |
| Dihedral primes | 19th | |
| Emirps | 3743rd | 3754th |
| Harmonic primes | 6122nd | |
| Isolated primes | 12400th | 12440th |
| Long primes | 6136th | |
| Primes | 16357th | 16407th |
| Pythagorean primes | 8172nd | |
| Roman numberals | ||
| Base 2 | 1010111111111111012 | 1011000010010010112 |
| Base 3 | 1000110122123 | 1000120002013 |
| Base 4 | 2233333314 | 2300210234 |
| Base 5 | 212313415 | 212412215 |
| Base 6 | 35102056 | 35130316 |
| Base 7 | 13502667 | 13521017 |
| Base 8 | 5377758 | 5411138 |
| Base 9 | 3041859 | 3050219 |
| Base 10 | 18022110 | 18081110 |
| Base 11 | 11344811 | 11393411 |
| Base 12 | 8836512 | 8877712 |
| Base 13 | 6405213 | 643b713 |
| Base 14 | 4996d14 | 49c7114 |
| Base 15 | 385eb15 | 3889115 |
| Base 16 | 2bffd16 | 2c24b16 |