Compare 28378 vs 28387
| Property | 28378 | 28387 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 20271 | 283871 |
| Prime factorization | 2 × 7 × 2027 | 28387 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 2027, 4054, 14189, 28378 | 1, 28387 |
| Number of properties | 0 | 6 |
| Chen primes | 1503rd | |
| Good primes | 314th | |
| Happy primes | 497th | |
| Isolated primes | 2185th | |
| Primes | 3088th | |
| Sexy primes (1st member) | 908th | |
| Roman numberals | ||
| Base 2 | 1101110110110102 | 1101110111000112 |
| Base 3 | 11022210013 | 11022211013 |
| Base 4 | 123231224 | 123232034 |
| Base 5 | 14020035 | 14020225 |
| Base 6 | 3352146 | 3352316 |
| Base 7 | 1455107 | 1455227 |
| Base 8 | 673328 | 673438 |
| Base 9 | 428319 | 428419 |
| Base 10 | 2837810 | 2838710 |
| Base 11 | 1a35911 | 1a36711 |
| Base 12 | 1450a12 | 1451712 |
| Base 13 | cbbc13 | cbc813 |
| Base 14 | a4b014 | a4b914 |
| Base 15 | 861d15 | 862715 |
| Base 16 | 6eda16 | 6ee316 |