Compare 1278 vs 1283
| Property | 1278 | 1283 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 32 × 711 | 12831 |
| Prime factorization | 2 × 3 × 3 × 71 | 1283 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278 | 1, 1283 |
| Number of properties | 0 | 12 |
| Chen primes | 135th | |
| Cousin primes (2nd member) | 46th | |
| Emirps | 61st | |
| Harmonic primes | 72nd | |
| Isolated primes | 123rd | |
| Left-truncatable primes | 56th | |
| Primes | 208th | |
| Prime triplets (3rd member) | 33rd | |
| Safe primes | 28th | |
| Sexy primes (1st member) | 90th | |
| Sexy primes (2nd member) | 89th | |
| Sexy prime triplets (2nd member) | 34th | |
| Roman numberals | MCCLXXVIII | MCCLXXXIII |
| Base 2 | 100111111102 | 101000000112 |
| Base 3 | 12021003 | 12021123 |
| Base 4 | 1033324 | 1100034 |
| Base 5 | 201035 | 201135 |
| Base 6 | 55306 | 55356 |
| Base 7 | 35047 | 35127 |
| Base 8 | 23768 | 24038 |
| Base 9 | 16709 | 16759 |
| Base 10 | 127810 | 128310 |
| Base 11 | a6211 | a6711 |
| Base 12 | 8a612 | 8ab12 |
| Base 13 | 77413 | 77913 |
| Base 14 | 67414 | 67914 |
| Base 15 | 5a315 | 5a815 |
| Base 16 | 4fe16 | 50316 |