Compare 1277 vs 1381
| Property | 1277 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12771 | 13811 |
| Prime factorization | 1277 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1277 | 1, 1381 |
| Number of properties | 10 | 7 |
| Additive primes | 111th | 122nd |
| Chen primes | 134th | 144th |
| Emirps | 64th | |
| Good primes | 50th | |
| Happy primes | 41st | |
| Isolated primes | 130th | |
| Long primes | 86th | |
| Primes | 206th | 221st |
| Prime triplets (1st member) | 33rd | |
| Pythagorean primes | 102nd | 109th |
| Sexy primes (1st member) | 89th | |
| Sexy prime triplets (1st member) | 34th | |
| Twin primes (1st member) | 43rd | |
| Roman numberals | MCCLXXVII | MCCCLXXXI |
| Base 2 | 100111111012 | 101011001012 |
| Base 3 | 12020223 | 12200113 |
| Base 4 | 1033314 | 1112114 |
| Base 5 | 201025 | 210115 |
| Base 6 | 55256 | 102216 |
| Base 7 | 35037 | 40127 |
| Base 8 | 23758 | 25458 |
| Base 9 | 16689 | 18049 |
| Base 10 | 127710 | 138110 |
| Base 11 | a6111 | 104611 |
| Base 12 | 8a512 | 97112 |
| Base 13 | 77313 | 82313 |
| Base 14 | 67314 | 70914 |
| Base 15 | 5a215 | 62115 |
| Base 16 | 4fd16 | 56516 |