Compare 1373 vs 1378
| Property | 1373 | 1378 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 13731 | 21 × 131 × 531 |
| Prime factorization | 1373 | 2 × 13 × 53 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1373 | 1, 2, 13, 26, 53, 106, 689, 1378 |
| Number of properties | 7 | 0 |
| Happy primes | 43rd | |
| Isolated primes | 129th | |
| Left-truncatable primes | 58th | |
| Primes | 220th | |
| Pythagorean primes | 108th | |
| Sexy primes (2nd member) | 96th | |
| Sexy prime triplets (3rd member) | 36th | |
| Roman numberals | MCCCLXXIII | MCCCLXXVIII |
| Base 2 | 101010111012 | 101011000102 |
| Base 3 | 12122123 | 12200013 |
| Base 4 | 1111314 | 1112024 |
| Base 5 | 204435 | 210035 |
| Base 6 | 102056 | 102146 |
| Base 7 | 40017 | 40067 |
| Base 8 | 25358 | 25428 |
| Base 9 | 17859 | 18019 |
| Base 10 | 137310 | 137810 |
| Base 11 | 103911 | 104311 |
| Base 12 | 96512 | 96a12 |
| Base 13 | 81813 | 82013 |
| Base 14 | 70114 | 70614 |
| Base 15 | 61815 | 61d15 |
| Base 16 | 55d16 | 56216 |