Compare 1031 vs 1091
| Property | 1031 | 1091 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 10311 | 10911 | 
| Prime factorization | 1031 | 1091 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1031 | 1, 1091 | 
| Number of properties | 9 | 13 | 
| Additive primes | 92nd | 96th | 
| Chen primes | 118th | 122nd | 
| Cousin primes (2nd member) | 43rd | |
| Emirps | 39th | 43rd | 
| Good primes | 46th | |
| Harmonic primes | 65th | |
| Long primes | 68th | |
| Primes | 173rd | 182nd | 
| Prime triplets (1st member) | 32nd | |
| Prime triplets (2nd member) | 31st | |
| Sexy primes (1st member) | 79th | |
| Sexy prime quadrupletss (1st member) | 8th | |
| Sexy prime triplets (1st member) | 29th | |
| Solinas primes | 47th | |
| Sophie germain primes | 40th | |
| Super primes | 40th | |
| Twin primes (1st member) | 37th | 40th | 
| Roman numberals | MXXXI | MXCI | 
| Base 2 | 100000001112 | 100010000112 | 
| Base 3 | 11020123 | 11111023 | 
| Base 4 | 1000134 | 1010034 | 
| Base 5 | 131115 | 133315 | 
| Base 6 | 44356 | 50156 | 
| Base 7 | 30027 | 31167 | 
| Base 8 | 20078 | 21038 | 
| Base 9 | 13659 | 14429 | 
| Base 10 | 103110 | 109110 | 
| Base 11 | 85811 | 90211 | 
| Base 12 | 71b12 | 76b12 | 
| Base 13 | 61413 | 65c13 | 
| Base 14 | 53914 | 57d14 | 
| Base 15 | 48b15 | 4cb15 | 
| Base 16 | 40716 | 44316 |