Compare 1379 vs 1381
| Property | 1379 | 1381 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 1971 | 13811 |
| Prime factorization | 7 × 197 | 1381 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 197, 1379 | 1, 1381 |
| Number of properties | 1 | 7 |
| Additive primes | 122nd | |
| Chen primes | 144th | |
| Emirps | 64th | |
| Isolated primes | 130th | |
| Long primes | 86th | |
| Primes | 221st | |
| Pythagorean primes | 109th | |
| Semiprimes | 406th | |
| Roman numberals | MCCCLXXIX | MCCCLXXXI |
| Base 2 | 101011000112 | 101011001012 |
| Base 3 | 12200023 | 12200113 |
| Base 4 | 1112034 | 1112114 |
| Base 5 | 210045 | 210115 |
| Base 6 | 102156 | 102216 |
| Base 7 | 40107 | 40127 |
| Base 8 | 25438 | 25458 |
| Base 9 | 18029 | 18049 |
| Base 10 | 137910 | 138110 |
| Base 11 | 104411 | 104611 |
| Base 12 | 96b12 | 97112 |
| Base 13 | 82113 | 82313 |
| Base 14 | 70714 | 70914 |
| Base 15 | 61e15 | 62115 |
| Base 16 | 56316 | 56516 |