Compare 1373 vs 1380
| Property | 1373 | 1380 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 4 | 
| Total factors | 1 | 5 | 
| Prime factorization | 13731 | 22 × 31 × 51 × 231 | 
| Prime factorization | 1373 | 2 × 2 × 3 × 5 × 23 | 
| Divisors count | 2 | 24 | 
| Divisors | 1, 1373 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380 | 
| 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 | MCCCLXXX | 
| Base 2 | 101010111012 | 101011001002 | 
| Base 3 | 12122123 | 12200103 | 
| Base 4 | 1111314 | 1112104 | 
| Base 5 | 204435 | 210105 | 
| Base 6 | 102056 | 102206 | 
| Base 7 | 40017 | 40117 | 
| Base 8 | 25358 | 25448 | 
| Base 9 | 17859 | 18039 | 
| Base 10 | 137310 | 138010 | 
| Base 11 | 103911 | 104511 | 
| Base 12 | 96512 | 97012 | 
| Base 13 | 81813 | 82213 | 
| Base 14 | 70114 | 70814 | 
| Base 15 | 61815 | 62015 | 
| Base 16 | 55d16 | 56416 |