Compare 1375 vs 1381
| Property | 1375 | 1381 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 53 × 111 | 13811 |
| Prime factorization | 5 × 5 × 5 × 11 | 1381 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 11, 25, 55, 125, 275, 1375 | 1, 1381 |
| Number of properties | 0 | 7 |
| Additive primes | 122nd | |
| Chen primes | 144th | |
| Emirps | 64th | |
| Isolated primes | 130th | |
| Long primes | 86th | |
| Primes | 221st | |
| Pythagorean primes | 109th | |
| Roman numberals | MCCCLXXV | MCCCLXXXI |
| Base 2 | 101010111112 | 101011001012 |
| Base 3 | 12122213 | 12200113 |
| Base 4 | 1111334 | 1112114 |
| Base 5 | 210005 | 210115 |
| Base 6 | 102116 | 102216 |
| Base 7 | 40037 | 40127 |
| Base 8 | 25378 | 25458 |
| Base 9 | 17879 | 18049 |
| Base 10 | 137510 | 138110 |
| Base 11 | 104011 | 104611 |
| Base 12 | 96712 | 97112 |
| Base 13 | 81a13 | 82313 |
| Base 14 | 70314 | 70914 |
| Base 15 | 61a15 | 62115 |
| Base 16 | 55f16 | 56516 |