Compare 1988 vs 1999
Property | 1988 | 1999 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 4 | 1 |
Prime factorization | 22 × 71 × 711 | 19991 |
Prime factorization | 2 × 2 × 7 × 71 | 1999 |
Divisors count | 12 | 2 |
Divisors | 1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988 | 1, 1999 |
Number of properties | 0 | 8 |
Centered triangular primes | 10th | |
Cousin primes (1st member) | 65th | |
Primes | 303rd | |
Prime triplets (2nd member) | 50th | |
Prime triplets (3rd member) | 49th | |
Sexy primes (2nd member) | 128th | |
Sexy prime triplets (3rd member) | 50th | |
Twin primes (2nd member) | 61st | |
Roman numberals | MCMLXXXVIII | MCMXCIX |
Base 2 | 111110001002 | 111110011112 |
Base 3 | 22011223 | 22020013 |
Base 4 | 1330104 | 1330334 |
Base 5 | 304235 | 304445 |
Base 6 | 131126 | 131316 |
Base 7 | 55407 | 55547 |
Base 8 | 37048 | 37178 |
Base 9 | 26489 | 26619 |
Base 10 | 198810 | 199910 |
Base 11 | 154811 | 155811 |
Base 12 | 119812 | 11a712 |
Base 13 | b9c13 | baa13 |
Base 14 | a2014 | a2b14 |
Base 15 | 8c815 | 8d415 |
Base 16 | 7c416 | 7cf16 |