Compare 1381 vs 1523
| Property | 1381 | 1523 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13811 | 15231 |
| Prime factorization | 1381 | 1523 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1381 | 1, 1523 |
| Number of properties | 7 | 7 |
| Additive primes | 122nd | 131st |
| Chen primes | 144th | |
| Emirps | 64th | 74th |
| Isolated primes | 130th | 142nd |
| Left-truncatable primes | 59th | |
| Long primes | 86th | |
| Primes | 221st | 241st |
| Pythagorean primes | 109th | |
| Safe primes | 34th | |
| Super primes | 53rd | |
| Roman numberals | MCCCLXXXI | MDXXIII |
| Base 2 | 101011001012 | 101111100112 |
| Base 3 | 12200113 | 20021023 |
| Base 4 | 1112114 | 1133034 |
| Base 5 | 210115 | 220435 |
| Base 6 | 102216 | 110156 |
| Base 7 | 40127 | 43047 |
| Base 8 | 25458 | 27638 |
| Base 9 | 18049 | 20729 |
| Base 10 | 138110 | 152310 |
| Base 11 | 104611 | 116511 |
| Base 12 | 97112 | a6b12 |
| Base 13 | 82313 | 90213 |
| Base 14 | 70914 | 7ab14 |
| Base 15 | 62115 | 6b815 |
| Base 16 | 56516 | 5f316 |