Compare 2209 vs 2221
| Property | 2209 | 2221 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 1 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 472 | 22211 |
| Prime factorization | 47 × 47 | 2221 |
| Divisors count | 3 | 2 |
| Divisors | 1, 47, 2209 | 1, 2221 |
| Number of properties | 1 | 8 |
| Additive primes | 174th | |
| Happy primes | 59th | |
| Isolated primes | 198th | |
| Long primes | 129th | |
| Lucky primes | 74th | |
| Primes | 331st | |
| Pythagorean primes | 161st | |
| Semiprimes | 634th | |
| Super primes | 67th | |
| Roman numberals | MMCCIX | MMCCXXI |
| Base 2 | 1000101000012 | 1000101011012 |
| Base 3 | 100002113 | 100010213 |
| Base 4 | 2022014 | 2022314 |
| Base 5 | 323145 | 323415 |
| Base 6 | 141216 | 141416 |
| Base 7 | 63047 | 63227 |
| Base 8 | 42418 | 42558 |
| Base 9 | 30249 | 30379 |
| Base 10 | 220910 | 222110 |
| Base 11 | 172911 | 173a11 |
| Base 12 | 134112 | 135112 |
| Base 13 | 100c13 | 101b13 |
| Base 14 | b3b14 | b4914 |
| Base 15 | 9c415 | 9d115 |
| Base 16 | 8a116 | 8ad16 |