Compare 28161 vs 28163
| Property | 28161 | 28163 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 71 × 1491 | 281631 |
| Prime factorization | 3 × 3 × 3 × 7 × 149 | 28163 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 3129, 4023, 9387, 28161 | 1, 28163 |
| Number of properties | 0 | 4 |
| Harmonic primes | 1146th | |
| Isolated primes | 2176th | |
| Primes | 3071st | |
| Safe primes | 250th | |
| Roman numberals | ||
| Base 2 | 1101110000000012 | 1101110000000112 |
| Base 3 | 11021220003 | 11021220023 |
| Base 4 | 123200014 | 123200034 |
| Base 5 | 14001215 | 14001235 |
| Base 6 | 3342136 | 3342156 |
| Base 7 | 1450507 | 1450527 |
| Base 8 | 670018 | 670038 |
| Base 9 | 425609 | 425629 |
| Base 10 | 2816110 | 2816310 |
| Base 11 | 1a18111 | 1a18311 |
| Base 12 | 1436912 | 1436b12 |
| Base 13 | ca8313 | ca8513 |
| Base 14 | a39714 | a39914 |
| Base 15 | 852615 | 852815 |
| Base 16 | 6e0116 | 6e0316 |