Compare 1373 vs 1375
| Property | 1373 | 1375 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 4 | 
| Prime factorization | 13731 | 53 × 111 | 
| Prime factorization | 1373 | 5 × 5 × 5 × 11 | 
| Divisors count | 2 | 8 | 
| Divisors | 1, 1373 | 1, 5, 11, 25, 55, 125, 275, 1375 | 
| 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 | MCCCLXXV | 
| Base 2 | 101010111012 | 101010111112 | 
| Base 3 | 12122123 | 12122213 | 
| Base 4 | 1111314 | 1111334 | 
| Base 5 | 204435 | 210005 | 
| Base 6 | 102056 | 102116 | 
| Base 7 | 40017 | 40037 | 
| Base 8 | 25358 | 25378 | 
| Base 9 | 17859 | 17879 | 
| Base 10 | 137310 | 137510 | 
| Base 11 | 103911 | 104011 | 
| Base 12 | 96512 | 96712 | 
| Base 13 | 81813 | 81a13 | 
| Base 14 | 70114 | 70314 | 
| Base 15 | 61815 | 61a15 | 
| Base 16 | 55d16 | 55f16 |