Compare 6387 vs 6389
| Property | 6387 | 6389 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 21291 | 63891 |
| Prime factorization | 3 × 2129 | 6389 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 2129, 6387 | 1, 6389 |
| Number of properties | 1 | 5 |
| Happy primes | 145th | |
| Isolated primes | 536th | |
| Long primes | 323rd | |
| Primes | 833rd | |
| Pythagorean primes | 408th | |
| Semiprimes | 1715th | |
| Roman numberals | ||
| Base 2 | 11000111100112 | 11000111101012 |
| Base 3 | 222021203 | 222021223 |
| Base 4 | 12033034 | 12033114 |
| Base 5 | 2010225 | 2010245 |
| Base 6 | 453236 | 453256 |
| Base 7 | 244237 | 244257 |
| Base 8 | 143638 | 143658 |
| Base 9 | 86769 | 86789 |
| Base 10 | 638710 | 638910 |
| Base 11 | 488711 | 488911 |
| Base 12 | 384312 | 384512 |
| Base 13 | 2ba413 | 2ba613 |
| Base 14 | 248314 | 248514 |
| Base 15 | 1d5c15 | 1d5e15 |
| Base 16 | 18f316 | 18f516 |