Compare 2851 vs 2861
| Property | 2851 | 2861 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 28511 | 28611 |
| Prime factorization | 2851 | 2861 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2851 | 1, 2861 |
| Number of properties | 6 | 7 |
| Additive primes | 216th | |
| Chen primes | 247th | |
| Cousin primes (2nd member) | 86th | |
| Happy primes | 70th | |
| Isolated primes | 255th | 257th |
| Long primes | 167th | 168th |
| Lucky primes | 87th | |
| Primes | 414th | 416th |
| Pythagorean primes | 205th | |
| Sexy primes (1st member) | 165th | |
| Roman numberals | MMDCCCLI | MMDCCCLXI |
| Base 2 | 1011001000112 | 1011001011012 |
| Base 3 | 102201213 | 102202223 |
| Base 4 | 2302034 | 2302314 |
| Base 5 | 424015 | 424215 |
| Base 6 | 211116 | 211256 |
| Base 7 | 112127 | 112257 |
| Base 8 | 54438 | 54558 |
| Base 9 | 38179 | 38289 |
| Base 10 | 285110 | 286110 |
| Base 11 | 216211 | 217111 |
| Base 12 | 179712 | 17a512 |
| Base 13 | 13b413 | 13c113 |
| Base 14 | 107914 | 108514 |
| Base 15 | ca115 | cab15 |
| Base 16 | b2316 | b2d16 |