Compare 3387 vs 3391
| Property | 3387 | 3391 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 11291 | 33911 |
| Prime factorization | 3 × 1129 | 3391 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 1129, 3387 | 1, 3391 |
| Number of properties | 1 | 5 |
| Emirps | 123rd | |
| Happy primes | 88th | |
| Harmonic primes | 174th | |
| Primes | 478th | |
| Semiprimes | 950th | |
| Twin primes (2nd member) | 91st | |
| Roman numberals | MMMCCCLXXXVII | MMMCCCXCI |
| Base 2 | 1101001110112 | 1101001111112 |
| Base 3 | 111221103 | 111221213 |
| Base 4 | 3103234 | 3103334 |
| Base 5 | 1020225 | 1020315 |
| Base 6 | 234036 | 234116 |
| Base 7 | 126067 | 126137 |
| Base 8 | 64738 | 64778 |
| Base 9 | 45739 | 45779 |
| Base 10 | 338710 | 339110 |
| Base 11 | 25aa11 | 260311 |
| Base 12 | 1b6312 | 1b6712 |
| Base 13 | 170713 | 170b13 |
| Base 14 | 133d14 | 134314 |
| Base 15 | 100c15 | 101115 |
| Base 16 | d3b16 | d3f16 |