Compare 859 vs 991
| Property | 859 | 991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 8591 | 9911 |
| Prime factorization | 859 | 991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 859 | 1, 991 |
| Number of properties | 8 | 10 |
| Additive primes | 89th | |
| Chen primes | 115th | |
| Cousin primes (1st member) | 36th | |
| Emirps | 36th | |
| Harmonic primes | 56th | |
| Isolated primes | 98th | |
| Lucky primes | 42nd | |
| Primes | 149th | 167th |
| Prime triplets (2nd member) | 28th | |
| Prime triplets (3rd member) | 27th | |
| Sexy primes (1st member) | 74th | |
| Sexy primes (2nd member) | 66th | |
| Solinas primes | 43rd | |
| Super primes | 35th | 39th |
| Twin primes (2nd member) | 34th | |
| Ulam primes | 18th | |
| Roman numberals | DCCCLIX | CMXCI |
| Base 2 | 11010110112 | 11110111112 |
| Base 3 | 10112113 | 11002013 |
| Base 4 | 311234 | 331334 |
| Base 5 | 114145 | 124315 |
| Base 6 | 35516 | 43316 |
| Base 7 | 23357 | 26147 |
| Base 8 | 15338 | 17378 |
| Base 9 | 11549 | 13219 |
| Base 10 | 85910 | 99110 |
| Base 11 | 71111 | 82111 |
| Base 12 | 5b712 | 6a712 |
| Base 13 | 51113 | 5b313 |
| Base 14 | 45514 | 50b14 |
| Base 15 | 3c415 | 46115 |
| Base 16 | 35b16 | 3df16 |