Compare 1291 vs 1295
| Property | 1291 | 1295 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 12911 | 51 × 71 × 371 |
| Prime factorization | 1291 | 5 × 7 × 37 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1291 | 1, 5, 7, 35, 37, 185, 259, 1295 |
| Number of properties | 9 | 0 |
| Additive primes | 113th | |
| Chen primes | 137th | |
| Harmonic primes | 73rd | |
| Long primes | 80th | |
| Lucky primes | 54th | |
| Primes | 210th | |
| Sexy primes (1st member) | 91st | |
| Sexy prime triplets (1st member) | 35th | |
| Twin primes (2nd member) | 44th | |
| Roman numberals | MCCXCI | MCCXCV |
| Base 2 | 101000010112 | 101000011112 |
| Base 3 | 12022113 | 12022223 |
| Base 4 | 1100234 | 1100334 |
| Base 5 | 201315 | 201405 |
| Base 6 | 55516 | 55556 |
| Base 7 | 35237 | 35307 |
| Base 8 | 24138 | 24178 |
| Base 9 | 16849 | 16889 |
| Base 10 | 129110 | 129510 |
| Base 11 | a7411 | a7811 |
| Base 12 | 8b712 | 8bb12 |
| Base 13 | 78413 | 78813 |
| Base 14 | 68314 | 68714 |
| Base 15 | 5b115 | 5b515 |
| Base 16 | 50b16 | 50f16 |