Compare 982 vs 991
| Property | 982 | 991 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 4911 | 9911 |
| Prime factorization | 2 × 491 | 991 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 491, 982 | 1, 991 |
| Number of properties | 1 | 10 |
| Additive primes | 89th | |
| Chen primes | 115th | |
| Emirps | 36th | |
| Isolated primes | 98th | |
| Lucky primes | 42nd | |
| Primes | 167th | |
| Semiprimes | 294th | |
| Sexy primes (1st member) | 74th | |
| Solinas primes | 43rd | |
| Super primes | 39th | |
| Ulam primes | 18th | |
| Roman numberals | CMLXXXII | CMXCI |
| Base 2 | 11110101102 | 11110111112 |
| Base 3 | 11001013 | 11002013 |
| Base 4 | 331124 | 331334 |
| Base 5 | 124125 | 124315 |
| Base 6 | 43146 | 43316 |
| Base 7 | 26027 | 26147 |
| Base 8 | 17268 | 17378 |
| Base 9 | 13119 | 13219 |
| Base 10 | 98210 | 99110 |
| Base 11 | 81311 | 82111 |
| Base 12 | 69a12 | 6a712 |
| Base 13 | 5a713 | 5b313 |
| Base 14 | 50214 | 50b14 |
| Base 15 | 45715 | 46115 |
| Base 16 | 3d616 | 3df16 |