Compare 1373 vs 1383
| Property | 1373 | 1383 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 13731 | 31 × 4611 |
| Prime factorization | 1373 | 3 × 461 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1373 | 1, 3, 461, 1383 |
| Number of properties | 7 | 1 |
| Happy primes | 43rd | |
| Isolated primes | 129th | |
| Left-truncatable primes | 58th | |
| Primes | 220th | |
| Pythagorean primes | 108th | |
| Semiprimes | 408th | |
| Sexy primes (2nd member) | 96th | |
| Sexy prime triplets (3rd member) | 36th | |
| Roman numberals | MCCCLXXIII | MCCCLXXXIII |
| Base 2 | 101010111012 | 101011001112 |
| Base 3 | 12122123 | 12200203 |
| Base 4 | 1111314 | 1112134 |
| Base 5 | 204435 | 210135 |
| Base 6 | 102056 | 102236 |
| Base 7 | 40017 | 40147 |
| Base 8 | 25358 | 25478 |
| Base 9 | 17859 | 18069 |
| Base 10 | 137310 | 138310 |
| Base 11 | 103911 | 104811 |
| Base 12 | 96512 | 97312 |
| Base 13 | 81813 | 82513 |
| Base 14 | 70114 | 70b14 |
| Base 15 | 61815 | 62315 |
| Base 16 | 55d16 | 56716 |