Compare 28155 vs 28163
| Property | 28155 | 28163 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 18771 | 281631 |
| Prime factorization | 3 × 5 × 1877 | 28163 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 1877, 5631, 9385, 28155 | 1, 28163 |
| Number of properties | 0 | 4 |
| Harmonic primes | 1146th | |
| Isolated primes | 2176th | |
| Primes | 3071st | |
| Safe primes | 250th | |
| Roman numberals | ||
| Base 2 | 1101101111110112 | 1101110000000112 |
| Base 3 | 11021212103 | 11021220023 |
| Base 4 | 123133234 | 123200034 |
| Base 5 | 14001105 | 14001235 |
| Base 6 | 3342036 | 3342156 |
| Base 7 | 1450417 | 1450527 |
| Base 8 | 667738 | 670038 |
| Base 9 | 425539 | 425629 |
| Base 10 | 2815510 | 2816310 |
| Base 11 | 1a17611 | 1a18311 |
| Base 12 | 1436312 | 1436b12 |
| Base 13 | ca7a13 | ca8513 |
| Base 14 | a39114 | a39914 |
| Base 15 | 852015 | 852815 |
| Base 16 | 6dfb16 | 6e0316 |