Compare 2221 vs 2251
| Property | 2221 | 2251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 22511 |
| Prime factorization | 2221 | 2251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2251 |
| Number of properties | 8 | 6 |
| Additive primes | 174th | |
| Chen primes | 204th | |
| Happy primes | 59th | |
| Harmonic primes | 122nd | |
| Isolated primes | 198th | 200th |
| Long primes | 129th | 130th |
| Lucky primes | 74th | 76th |
| Primes | 331st | 335th |
| Pythagorean primes | 161st | |
| Super primes | 67th | |
| Roman numberals | MMCCXXI | MMCCLI |
| Base 2 | 1000101011012 | 1000110010112 |
| Base 3 | 100010213 | 100021013 |
| Base 4 | 2022314 | 2030234 |
| Base 5 | 323415 | 330015 |
| Base 6 | 141416 | 142316 |
| Base 7 | 63227 | 63647 |
| Base 8 | 42558 | 43138 |
| Base 9 | 30379 | 30719 |
| Base 10 | 222110 | 225110 |
| Base 11 | 173a11 | 176711 |
| Base 12 | 135112 | 137712 |
| Base 13 | 101b13 | 104213 |
| Base 14 | b4914 | b6b14 |
| Base 15 | 9d115 | a0115 |
| Base 16 | 8ad16 | 8cb16 |