Compare 1287 vs 1297
| Property | 1287 | 1297 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 131 | 12971 |
| Prime factorization | 3 × 3 × 11 × 13 | 1297 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287 | 1, 1297 |
| Number of properties | 0 | 14 |
| Additive primes | 114th | |
| Chen primes | 138th | |
| Cousin primes (1st member) | 47th | |
| Isolated primes | 124th | |
| Long primes | 81st | |
| Pierpont primes | 20th | |
| Primes | 211th | |
| Prime triplets (1st member) | 34th | |
| Pythagorean primes | 104th | |
| Quartan primes | 8th | |
| Sexy primes (1st member) | 92nd | |
| Sexy primes (2nd member) | 91st | |
| Sexy prime triplets (2nd member) | 35th | |
| Super primes | 47th | |
| Roman numberals | MCCLXXXVII | MCCXCVII |
| Base 2 | 101000001112 | 101000100012 |
| Base 3 | 12022003 | 12100013 |
| Base 4 | 1100134 | 1101014 |
| Base 5 | 201225 | 201425 |
| Base 6 | 55436 | 100016 |
| Base 7 | 35167 | 35327 |
| Base 8 | 24078 | 24218 |
| Base 9 | 16809 | 17019 |
| Base 10 | 128710 | 129710 |
| Base 11 | a7011 | a7a11 |
| Base 12 | 8b312 | 90112 |
| Base 13 | 78013 | 78a13 |
| Base 14 | 67d14 | 68914 |
| Base 15 | 5ac15 | 5b715 |
| Base 16 | 50716 | 51116 |