Compare 2221 vs 2749
| Property | 2221 | 2749 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 27491 |
| Prime factorization | 2221 | 2749 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2749 |
| Number of properties | 8 | 5 |
| Additive primes | 174th | |
| Cousin primes (1st member) | 83rd | |
| Happy primes | 59th | |
| Isolated primes | 198th | 246th |
| Long primes | 129th | |
| Lucky primes | 74th | |
| Primes | 331st | 401st |
| Pythagorean primes | 161st | 196th |
| Super primes | 67th | 79th |
| Roman numberals | MMCCXXI | MMDCCXLIX |
| Base 2 | 1000101011012 | 1010101111012 |
| Base 3 | 100010213 | 102022113 |
| Base 4 | 2022314 | 2223314 |
| Base 5 | 323415 | 414445 |
| Base 6 | 141416 | 204216 |
| Base 7 | 63227 | 110057 |
| Base 8 | 42558 | 52758 |
| Base 9 | 30379 | 36849 |
| Base 10 | 222110 | 274910 |
| Base 11 | 173a11 | 207a11 |
| Base 12 | 135112 | 171112 |
| Base 13 | 101b13 | 133613 |
| Base 14 | b4914 | 100514 |
| Base 15 | 9d115 | c3415 |
| Base 16 | 8ad16 | abd16 |