Compare 28771 vs 28778
| Property | 28771 | 28778 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 287711 | 21 × 143891 |
| Prime factorization | 28771 | 2 × 14389 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28771 | 1, 2, 14389, 28778 |
| Number of properties | 5 | 1 |
| Happy primes | 506th | |
| Harmonic primes | 1171st | |
| Isolated primes | 2219th | |
| Lucky primes | 485th | |
| Primes | 3134th | |
| Semiprimes | 7157th | |
| Roman numberals | ||
| Base 2 | 1110000011000112 | 1110000011010102 |
| Base 3 | 11101101213 | 11101102123 |
| Base 4 | 130012034 | 130012224 |
| Base 5 | 14100415 | 14101035 |
| Base 6 | 3411116 | 3411226 |
| Base 7 | 1466117 | 1466217 |
| Base 8 | 701438 | 701528 |
| Base 9 | 434179 | 434259 |
| Base 10 | 2877110 | 2877810 |
| Base 11 | 1a68611 | 1a69211 |
| Base 12 | 1479712 | 147a212 |
| Base 13 | 1013213 | 1013913 |
| Base 14 | a6b114 | a6b814 |
| Base 15 | 87d115 | 87d815 |
| Base 16 | 706316 | 706a16 |