Compare 2221 vs 2851
| Property | 2221 | 2851 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 28511 |
| Prime factorization | 2221 | 2851 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2851 |
| Number of properties | 8 | 6 |
| Additive primes | 174th | |
| Happy primes | 59th | 70th |
| Isolated primes | 198th | 255th |
| Long primes | 129th | 167th |
| Lucky primes | 74th | 87th |
| Primes | 331st | 414th |
| Pythagorean primes | 161st | |
| Sexy primes (1st member) | 165th | |
| Super primes | 67th | |
| Roman numberals | MMCCXXI | MMDCCCLI |
| Base 2 | 1000101011012 | 1011001000112 |
| Base 3 | 100010213 | 102201213 |
| Base 4 | 2022314 | 2302034 |
| Base 5 | 323415 | 424015 |
| Base 6 | 141416 | 211116 |
| Base 7 | 63227 | 112127 |
| Base 8 | 42558 | 54438 |
| Base 9 | 30379 | 38179 |
| Base 10 | 222110 | 285110 |
| Base 11 | 173a11 | 216211 |
| Base 12 | 135112 | 179712 |
| Base 13 | 101b13 | 13b413 |
| Base 14 | b4914 | 107914 |
| Base 15 | 9d115 | ca115 |
| Base 16 | 8ad16 | b2316 |