Compare 28921 vs 28923
| Property | 28921 | 28923 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 289211 | 31 × 311 × 3111 |
| Prime factorization | 28921 | 3 × 31 × 311 |
| Divisors count | 2 | 8 |
| Divisors | 1, 28921 | 1, 3, 31, 93, 311, 933, 9641, 28923 |
| Number of properties | 6 | 0 |
| Isolated primes | 2233rd | |
| Lucky primes | 489th | |
| Primes | 3148th | |
| Pythagorean primes | 1565th | |
| Sexy primes (1st member) | 925th | |
| Sexy prime triplets (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 1110000111110012 | 1110000111110112 |
| Base 3 | 11102000113 | 11102000203 |
| Base 4 | 130033214 | 130033234 |
| Base 5 | 14111415 | 14111435 |
| Base 6 | 3415216 | 3415236 |
| Base 7 | 1502147 | 1502167 |
| Base 8 | 703718 | 703738 |
| Base 9 | 436049 | 436069 |
| Base 10 | 2892110 | 2892310 |
| Base 11 | 1a80211 | 1a80411 |
| Base 12 | 148a112 | 148a312 |
| Base 13 | 1021913 | 1021b13 |
| Base 14 | a77b14 | a77d14 |
| Base 15 | 888115 | 888315 |
| Base 16 | 70f916 | 70fb16 |