Compare 201911 vs 202021
| Property | 201911 | 202021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2019111 | 2020211 |
| Prime factorization | 201911 | 202021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 201911 | 1, 202021 |
| Number of properties | 4 | 6 |
| Additive primes | 7302nd | |
| Chen primes | 7584th | |
| Cousin primes (2nd member) | 2153rd | |
| Cuban primes 1 | 88th | |
| Happy primes | 2768th | |
| Isolated primes | 13794th | 13805th |
| Primes | 18139th | 18150th |
| Pythagorean primes | 9062nd | |
| Roman numberals | ||
| Base 2 | 1100010100101101112 | 1100010101001001012 |
| Base 3 | 1010202220123 | 1010210100213 |
| Base 4 | 3011023134 | 3011102114 |
| Base 5 | 224301215 | 224310415 |
| Base 6 | 41544356 | 41551416 |
| Base 7 | 15004437 | 15006617 |
| Base 8 | 6122678 | 6124458 |
| Base 9 | 3368659 | 3371079 |
| Base 10 | 20191110 | 20202110 |
| Base 11 | 12877611 | 12886611 |
| Base 12 | 98a1b12 | 98ab112 |
| Base 13 | 70b9813 | 70c5113 |
| Base 14 | 5382314 | 538a114 |
| Base 15 | 3ec5b15 | 3ecd115 |
| Base 16 | 314b716 | 3152516 |