Compare 42687 vs 42689
| Property | 42687 | 42689 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 34 × 171 × 311 | 426891 |
| Prime factorization | 3 × 3 × 3 × 3 × 17 × 31 | 42689 |
| Divisors count | 20 | 2 |
| Divisors | 1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 1377, 1581, 2511, 4743, 14229, 42687 | 1, 42689 |
| Number of properties | 0 | 7 |
| Additive primes | 1993rd | |
| Chen primes | 2090th | |
| Isolated primes | 3223rd | |
| Primes | 4462nd | |
| Pythagorean primes | 2213th | |
| Sexy primes (2nd member) | 1266th | |
| Sexy prime triplets (3rd member) | 309th | |
| Roman numberals | ||
| Base 2 | 10100110101111112 | 10100110110000012 |
| Base 3 | 20111200003 | 20111200023 |
| Base 4 | 221223334 | 221230014 |
| Base 5 | 23312225 | 23312245 |
| Base 6 | 5253436 | 5253456 |
| Base 7 | 2353117 | 2353137 |
| Base 8 | 1232778 | 1233018 |
| Base 9 | 645009 | 645029 |
| Base 10 | 4268710 | 4268910 |
| Base 11 | 2a08711 | 2a08911 |
| Base 12 | 2085312 | 2085512 |
| Base 13 | 1657813 | 1657a13 |
| Base 14 | 117b114 | 117b314 |
| Base 15 | c9ac15 | c9ae15 |
| Base 16 | a6bf16 | a6c116 |