Compare 1097 vs 1291
| Property | 1097 | 1291 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 10971 | 12911 | 
| Prime factorization | 1097 | 1291 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1097 | 1, 1291 | 
| Number of properties | 14 | 9 | 
| Additive primes | 98th | 113th | 
| Chen primes | 123rd | 137th | 
| Cousin primes (2nd member) | 44th | |
| Emirps | 44th | |
| Harmonic primes | 73rd | |
| Isolated primes | 105th | |
| Long primes | 69th | 80th | 
| Lucky primes | 54th | |
| Primes | 184th | 210th | 
| Prime triplets (3rd member) | 32nd | |
| Pythagorean primes | 89th | |
| Sexy primes (1st member) | 80th | 91st | 
| Sexy primes (2nd member) | 79th | |
| Sexy prime quadrupletss (2nd member) | 8th | |
| Sexy prime triplets (1st member) | 30th | 35th | 
| Sexy prime triplets (2nd member) | 29th | |
| Twin primes (2nd member) | 44th | |
| Roman numberals | MXCVII | MCCXCI | 
| Base 2 | 100010010012 | 101000010112 | 
| Base 3 | 11111223 | 12022113 | 
| Base 4 | 1010214 | 1100234 | 
| Base 5 | 133425 | 201315 | 
| Base 6 | 50256 | 55516 | 
| Base 7 | 31257 | 35237 | 
| Base 8 | 21118 | 24138 | 
| Base 9 | 14489 | 16849 | 
| Base 10 | 109710 | 129110 | 
| Base 11 | 90811 | a7411 | 
| Base 12 | 77512 | 8b712 | 
| Base 13 | 66513 | 78413 | 
| Base 14 | 58514 | 68314 | 
| Base 15 | 4d215 | 5b115 | 
| Base 16 | 44916 | 50b16 |