Compare 1373 vs 1381
| Property | 1373 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 13811 |
| Prime factorization | 1373 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1381 |
| Number of properties | 7 | 7 |
| Additive primes | 122nd | |
| Chen primes | 144th | |
| Emirps | 64th | |
| Happy primes | 43rd | |
| Isolated primes | 129th | 130th |
| Left-truncatable primes | 58th | |
| Long primes | 86th | |
| Primes | 220th | 221st |
| Pythagorean primes | 108th | 109th |
| Sexy primes (2nd member) | 96th | |
| Sexy prime triplets (3rd member) | 36th | |
| Roman numberals | MCCCLXXIII | MCCCLXXXI |
| Base 2 | 101010111012 | 101011001012 |
| Base 3 | 12122123 | 12200113 |
| Base 4 | 1111314 | 1112114 |
| Base 5 | 204435 | 210115 |
| Base 6 | 102056 | 102216 |
| Base 7 | 40017 | 40127 |
| Base 8 | 25358 | 25458 |
| Base 9 | 17859 | 18049 |
| Base 10 | 137310 | 138110 |
| Base 11 | 103911 | 104611 |
| Base 12 | 96512 | 97112 |
| Base 13 | 81813 | 82313 |
| Base 14 | 70114 | 70914 |
| Base 15 | 61815 | 62115 |
| Base 16 | 55d16 | 56516 |