Compare 1377 vs 1381
| Property | 1377 | 1381 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 34 × 171 | 13811 |
| Prime factorization | 3 × 3 × 3 × 3 × 17 | 1381 |
| Divisors count | 10 | 2 |
| Divisors | 1, 3, 9, 17, 27, 51, 81, 153, 459, 1377 | 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 | MCCCLXXVII | MCCCLXXXI |
| Base 2 | 101011000012 | 101011001012 |
| Base 3 | 12200003 | 12200113 |
| Base 4 | 1112014 | 1112114 |
| Base 5 | 210025 | 210115 |
| Base 6 | 102136 | 102216 |
| Base 7 | 40057 | 40127 |
| Base 8 | 25418 | 25458 |
| Base 9 | 18009 | 18049 |
| Base 10 | 137710 | 138110 |
| Base 11 | 104211 | 104611 |
| Base 12 | 96912 | 97112 |
| Base 13 | 81c13 | 82313 |
| Base 14 | 70514 | 70914 |
| Base 15 | 61c15 | 62115 |
| Base 16 | 56116 | 56516 |