Compare 2221 vs 2281
| Property | 2221 | 2281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 22811 |
| Prime factorization | 2221 | 2281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2281 |
| Number of properties | 8 | 8 |
| Additive primes | 174th | 178th |
| Chen primes | 207th | |
| Happy primes | 59th | |
| Isolated primes | 198th | 202nd |
| Long primes | 129th | |
| Lucky primes | 74th | 77th |
| Primes | 331st | 339th |
| Pythagorean primes | 161st | 165th |
| Sexy primes (1st member) | 139th | |
| Sexy prime triplets (1st member) | 52nd | |
| Super primes | 67th | |
| Roman numberals | MMCCXXI | MMCCLXXXI |
| Base 2 | 1000101011012 | 1000111010012 |
| Base 3 | 100010213 | 100101113 |
| Base 4 | 2022314 | 2032214 |
| Base 5 | 323415 | 331115 |
| Base 6 | 141416 | 143216 |
| Base 7 | 63227 | 64367 |
| Base 8 | 42558 | 43518 |
| Base 9 | 30379 | 31149 |
| Base 10 | 222110 | 228110 |
| Base 11 | 173a11 | 179411 |
| Base 12 | 135112 | 13a112 |
| Base 13 | 101b13 | 106613 |
| Base 14 | b4914 | b8d14 |
| Base 15 | 9d115 | a2115 |
| Base 16 | 8ad16 | 8e916 |