Compare 1999 vs 4789
| Property | 1999 | 4789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19991 | 47891 |
| Prime factorization | 1999 | 4789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1999 | 1, 4789 |
| Number of properties | 8 | 9 |
| Centered triangular primes | 10th | 15th |
| Chen primes | 365th | |
| Cousin primes (1st member) | 65th | 118th |
| Primes | 303rd | 644th |
| Prime triplets (2nd member) | 50th | 79th |
| Prime triplets (3rd member) | 49th | 78th |
| Pythagorean primes | 315th | |
| Sexy primes (2nd member) | 128th | 233rd |
| Sexy prime triplets (3rd member) | 50th | |
| Twin primes (2nd member) | 61st | 123rd |
| Roman numberals | MCMXCIX | MMMMDCCLXXXIX |
| Base 2 | 111110011112 | 10010101101012 |
| Base 3 | 22020013 | 201201013 |
| Base 4 | 1330334 | 10223114 |
| Base 5 | 304445 | 1231245 |
| Base 6 | 131316 | 341016 |
| Base 7 | 55547 | 166517 |
| Base 8 | 37178 | 112658 |
| Base 9 | 26619 | 65119 |
| Base 10 | 199910 | 478910 |
| Base 11 | 155811 | 366411 |
| Base 12 | 11a712 | 293112 |
| Base 13 | baa13 | 224513 |
| Base 14 | a2b14 | 1a6114 |
| Base 15 | 8d415 | 164415 |
| Base 16 | 7cf16 | 12b516 |