Compare 28715 vs 28723
| Property | 28715 | 28723 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 57431 | 287231 |
| Prime factorization | 5 × 5743 | 28723 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 5743, 28715 | 1, 28723 |
| Number of properties | 1 | 5 |
| Happy primes | 505th | |
| Harmonic primes | 1169th | |
| Isolated primes | 2216th | |
| Primes | 3129th | |
| Semiprimes | 7145th | |
| Sexy primes (1st member) | 921st | |
| Roman numberals | ||
| Base 2 | 1110000001010112 | 1110000001100112 |
| Base 3 | 11101011123 | 11101012113 |
| Base 4 | 130002234 | 130003034 |
| Base 5 | 14043305 | 14043435 |
| Base 6 | 3405356 | 3405516 |
| Base 7 | 1465017 | 1465127 |
| Base 8 | 700538 | 700638 |
| Base 9 | 433459 | 433549 |
| Base 10 | 2871510 | 2872310 |
| Base 11 | 1a63511 | 1a64211 |
| Base 12 | 1474b12 | 1475712 |
| Base 13 | 100bb13 | 100c613 |
| Base 14 | a67114 | a67914 |
| Base 15 | 879515 | 879d15 |
| Base 16 | 702b16 | 703316 |