Compare 28813 vs 28921
| Property | 28813 | 28921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 288131 | 289211 |
| Prime factorization | 28813 | 28921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28813 | 1, 28921 |
| Number of properties | 6 | 6 |
| Cousin primes (1st member) | 457th | |
| Cuban primes 2 | 19th | |
| Isolated primes | 2223rd | 2233rd |
| Lucky primes | 489th | |
| Primes | 3138th | 3148th |
| Pythagorean primes | 1560th | 1565th |
| Sexy primes (1st member) | 925th | |
| Sexy primes (2nd member) | 923rd | |
| Sexy prime triplets (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 1110000100011012 | 1110000111110012 |
| Base 3 | 11101120113 | 11102000113 |
| Base 4 | 130020314 | 130033214 |
| Base 5 | 14102235 | 14111415 |
| Base 6 | 3412216 | 3415216 |
| Base 7 | 1500017 | 1502147 |
| Base 8 | 702158 | 703718 |
| Base 9 | 434649 | 436049 |
| Base 10 | 2881310 | 2892110 |
| Base 11 | 1a71411 | 1a80211 |
| Base 12 | 1481112 | 148a112 |
| Base 13 | 1016513 | 1021913 |
| Base 14 | a70114 | a77b14 |
| Base 15 | 880d15 | 888115 |
| Base 16 | 708d16 | 70f916 |