Compare 2845 vs 2851
| Property | 2845 | 2851 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 5691 | 28511 |
| Prime factorization | 5 × 569 | 2851 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 569, 2845 | 1, 2851 |
| Number of properties | 1 | 6 |
| Happy primes | 70th | |
| Isolated primes | 255th | |
| Long primes | 167th | |
| Lucky primes | 87th | |
| Primes | 414th | |
| Semiprimes | 793rd | |
| Sexy primes (1st member) | 165th | |
| Roman numberals | MMDCCCXLV | MMDCCCLI |
| Base 2 | 1011000111012 | 1011001000112 |
| Base 3 | 102201013 | 102201213 |
| Base 4 | 2301314 | 2302034 |
| Base 5 | 423405 | 424015 |
| Base 6 | 211016 | 211116 |
| Base 7 | 112037 | 112127 |
| Base 8 | 54358 | 54438 |
| Base 9 | 38119 | 38179 |
| Base 10 | 284510 | 285110 |
| Base 11 | 215711 | 216211 |
| Base 12 | 179112 | 179712 |
| Base 13 | 13ab13 | 13b413 |
| Base 14 | 107314 | 107914 |
| Base 15 | c9a15 | ca115 |
| Base 16 | b1d16 | b2316 |