Compare 1381 vs 1423
| Property | 1381 | 1423 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13811 | 14231 |
| Prime factorization | 1381 | 1423 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1381 | 1, 1423 |
| Number of properties | 7 | 6 |
| Additive primes | 122nd | |
| Chen primes | 144th | |
| Cousin primes (1st member) | 49th | |
| Emirps | 64th | |
| Good primes | 53rd | |
| Isolated primes | 130th | 133rd |
| Long primes | 86th | |
| Primes | 221st | 224th |
| Prime triplets (1st member) | 36th | |
| Pythagorean primes | 109th | |
| Sexy primes (1st member) | 97th | |
| Roman numberals | MCCCLXXXI | MCDXXIII |
| Base 2 | 101011001012 | 101100011112 |
| Base 3 | 12200113 | 12212013 |
| Base 4 | 1112114 | 1120334 |
| Base 5 | 210115 | 211435 |
| Base 6 | 102216 | 103316 |
| Base 7 | 40127 | 41027 |
| Base 8 | 25458 | 26178 |
| Base 9 | 18049 | 18519 |
| Base 10 | 138110 | 142310 |
| Base 11 | 104611 | 108411 |
| Base 12 | 97112 | 9a712 |
| Base 13 | 82313 | 85613 |
| Base 14 | 70914 | 73914 |
| Base 15 | 62115 | 64d15 |
| Base 16 | 56516 | 58f16 |