Compare 1291 vs 1723
| Property | 1291 | 1723 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12911 | 17231 |
| Prime factorization | 1291 | 1723 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1291 | 1, 1723 |
| Number of properties | 9 | 6 |
| Additive primes | 113th | 144th |
| Chen primes | 137th | |
| Emirps | 82nd | |
| Harmonic primes | 73rd | |
| Long primes | 80th | |
| Lucky primes | 54th | 64th |
| Primes | 210th | 269th |
| Sexy primes (1st member) | 91st | |
| Sexy prime triplets (1st member) | 35th | |
| Super primes | 57th | |
| Twin primes (2nd member) | 44th | 55th |
| Roman numberals | MCCXCI | MDCCXXIII |
| Base 2 | 101000010112 | 110101110112 |
| Base 3 | 12022113 | 21002113 |
| Base 4 | 1100234 | 1223234 |
| Base 5 | 201315 | 233435 |
| Base 6 | 55516 | 115516 |
| Base 7 | 35237 | 50117 |
| Base 8 | 24138 | 32738 |
| Base 9 | 16849 | 23249 |
| Base 10 | 129110 | 172310 |
| Base 11 | a7411 | 132711 |
| Base 12 | 8b712 | bb712 |
| Base 13 | 78413 | a2713 |
| Base 14 | 68314 | 8b114 |
| Base 15 | 5b115 | 79d15 |
| Base 16 | 50b16 | 6bb16 |