Compare 28513 vs 28921
| Property | 28513 | 28921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 285131 | 289211 |
| Prime factorization | 28513 | 28921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28513 | 1, 28921 |
| Number of properties | 9 | 6 |
| Additive primes | 1415th | |
| Cousin primes (1st member) | 451st | |
| Happy primes | 501st | |
| Harmonic primes | 1158th | |
| Isolated primes | 2196th | 2233rd |
| Long primes | 1179th | |
| Lucky primes | 483rd | 489th |
| Primes | 3101st | 3148th |
| Pythagorean primes | 1543rd | 1565th |
| Sexy primes (1st member) | 925th | |
| Sexy prime triplets (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 1101111011000012 | 1110000111110012 |
| Base 3 | 11100100013 | 11102000113 |
| Base 4 | 123312014 | 130033214 |
| Base 5 | 14030235 | 14111415 |
| Base 6 | 3400016 | 3415216 |
| Base 7 | 1460627 | 1502147 |
| Base 8 | 675418 | 703718 |
| Base 9 | 431019 | 436049 |
| Base 10 | 2851310 | 2892110 |
| Base 11 | 1a47111 | 1a80211 |
| Base 12 | 1460112 | 148a112 |
| Base 13 | cc9413 | 1021913 |
| Base 14 | a56914 | a77b14 |
| Base 15 | 86ad15 | 888115 |
| Base 16 | 6f6116 | 70f916 |