Compare 28123 vs 28921
| Property | 28123 | 28921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281231 | 289211 |
| Prime factorization | 28123 | 28921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28123 | 1, 28921 |
| Number of properties | 4 | 6 |
| Happy primes | 495th | |
| Isolated primes | 2174th | 2233rd |
| Lucky primes | 479th | 489th |
| Primes | 3069th | 3148th |
| Pythagorean primes | 1565th | |
| Sexy primes (1st member) | 925th | |
| Sexy prime triplets (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1110000111110012 |
| Base 3 | 11021201213 | 11102000113 |
| Base 4 | 123131234 | 130033214 |
| Base 5 | 13444435 | 14111415 |
| Base 6 | 3341116 | 3415216 |
| Base 7 | 1446647 | 1502147 |
| Base 8 | 667338 | 703718 |
| Base 9 | 425179 | 436049 |
| Base 10 | 2812310 | 2892110 |
| Base 11 | 1a14711 | 1a80211 |
| Base 12 | 1433712 | 148a112 |
| Base 13 | ca5413 | 1021913 |
| Base 14 | a36b14 | a77b14 |
| Base 15 | 84ed15 | 888115 |
| Base 16 | 6ddb16 | 70f916 |