Compare 2221 vs 2549
| Property | 2221 | 2549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 25491 |
| Prime factorization | 2221 | 2549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2549 |
| Number of properties | 8 | 9 |
| Additive primes | 174th | |
| Chen primes | 225th | |
| Happy primes | 59th | |
| Harmonic primes | 140th | |
| Isolated primes | 198th | |
| Long primes | 129th | 148th |
| Lucky primes | 74th | |
| Primes | 331st | 373rd |
| Pythagorean primes | 161st | 182nd |
| Sexy primes (2nd member) | 152nd | |
| Sophie germain primes | 74th | |
| Super primes | 67th | 74th |
| Twin primes (1st member) | 73rd | |
| Roman numberals | MMCCXXI | MMDXLIX |
| Base 2 | 1000101011012 | 1001111101012 |
| Base 3 | 100010213 | 101111023 |
| Base 4 | 2022314 | 2133114 |
| Base 5 | 323415 | 401445 |
| Base 6 | 141416 | 154456 |
| Base 7 | 63227 | 103017 |
| Base 8 | 42558 | 47658 |
| Base 9 | 30379 | 34429 |
| Base 10 | 222110 | 254910 |
| Base 11 | 173a11 | 1a0811 |
| Base 12 | 135112 | 158512 |
| Base 13 | 101b13 | 121113 |
| Base 14 | b4914 | d0114 |
| Base 15 | 9d115 | b4e15 |
| Base 16 | 8ad16 | 9f516 |