Compare 28157 vs 28163
| Property | 28157 | 28163 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 371 × 7611 | 281631 |
| Prime factorization | 37 × 761 | 28163 |
| Divisors count | 4 | 2 |
| Divisors | 1, 37, 761, 28157 | 1, 28163 |
| Number of properties | 1 | 4 |
| Harmonic primes | 1146th | |
| Isolated primes | 2176th | |
| Primes | 3071st | |
| Safe primes | 250th | |
| Semiprimes | 7020th | |
| Roman numberals | ||
| Base 2 | 1101101111111012 | 1101110000000112 |
| Base 3 | 11021212123 | 11021220023 |
| Base 4 | 123133314 | 123200034 |
| Base 5 | 14001125 | 14001235 |
| Base 6 | 3342056 | 3342156 |
| Base 7 | 1450437 | 1450527 |
| Base 8 | 667758 | 670038 |
| Base 9 | 425559 | 425629 |
| Base 10 | 2815710 | 2816310 |
| Base 11 | 1a17811 | 1a18311 |
| Base 12 | 1436512 | 1436b12 |
| Base 13 | ca7c13 | ca8513 |
| Base 14 | a39314 | a39914 |
| Base 15 | 852215 | 852815 |
| Base 16 | 6dfd16 | 6e0316 |