Compare 2851 vs 2855
| Property | 2851 | 2855 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 28511 | 51 × 5711 |
| Prime factorization | 2851 | 5 × 571 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2851 | 1, 5, 571, 2855 |
| Number of properties | 6 | 1 |
| Happy primes | 70th | |
| Isolated primes | 255th | |
| Long primes | 167th | |
| Lucky primes | 87th | |
| Primes | 414th | |
| Semiprimes | 796th | |
| Sexy primes (1st member) | 165th | |
| Roman numberals | MMDCCCLI | MMDCCCLV |
| Base 2 | 1011001000112 | 1011001001112 |
| Base 3 | 102201213 | 102202023 |
| Base 4 | 2302034 | 2302134 |
| Base 5 | 424015 | 424105 |
| Base 6 | 211116 | 211156 |
| Base 7 | 112127 | 112167 |
| Base 8 | 54438 | 54478 |
| Base 9 | 38179 | 38229 |
| Base 10 | 285110 | 285510 |
| Base 11 | 216211 | 216611 |
| Base 12 | 179712 | 179b12 |
| Base 13 | 13b413 | 13b813 |
| Base 14 | 107914 | 107d14 |
| Base 15 | ca115 | ca515 |
| Base 16 | b2316 | b2716 |