Compare 1999 vs 2239
| Property | 1999 | 2239 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19991 | 22391 |
| Prime factorization | 1999 | 2239 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1999 | 1, 2239 |
| Number of properties | 8 | 5 |
| Centered triangular primes | 10th | |
| Cousin primes (1st member) | 65th | 69th |
| Lucky primes | 75th | |
| Primes | 303rd | 333rd |
| Prime triplets (2nd member) | 50th | 54th |
| Prime triplets (3rd member) | 49th | |
| Sexy primes (2nd member) | 128th | |
| Sexy prime triplets (3rd member) | 50th | |
| Twin primes (2nd member) | 61st | 68th |
| Roman numberals | MCMXCIX | MMCCXXXIX |
| Base 2 | 111110011112 | 1000101111112 |
| Base 3 | 22020013 | 100012213 |
| Base 4 | 1330334 | 2023334 |
| Base 5 | 304445 | 324245 |
| Base 6 | 131316 | 142116 |
| Base 7 | 55547 | 63467 |
| Base 8 | 37178 | 42778 |
| Base 9 | 26619 | 30579 |
| Base 10 | 199910 | 223910 |
| Base 11 | 155811 | 175611 |
| Base 12 | 11a712 | 136712 |
| Base 13 | baa13 | 103313 |
| Base 14 | a2b14 | b5d14 |
| Base 15 | 8d415 | 9e415 |
| Base 16 | 7cf16 | 8bf16 |