Compare 4990 vs 4999
| Property | 4990 | 4999 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 4991 | 49991 |
| Prime factorization | 2 × 5 × 499 | 4999 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 499, 998, 2495, 4990 | 1, 4999 |
| Number of properties | 0 | 8 |
| Additive primes | 338th | |
| Chen primes | 378th | |
| Cousin primes (1st member) | 122nd | |
| Isolated primes | 418th | |
| Lucky primes | 133rd | |
| Primes | 669th | |
| Sexy primes (2nd member) | 243rd | |
| Sexy prime triplets (3rd member) | 81st | |
| Roman numberals | MMMMCMXC | MMMMCMXCIX |
| Base 2 | 10011011111102 | 10011100001112 |
| Base 3 | 202112113 | 202120113 |
| Base 4 | 10313324 | 10320134 |
| Base 5 | 1244305 | 1244445 |
| Base 6 | 350346 | 350516 |
| Base 7 | 203567 | 204017 |
| Base 8 | 115768 | 116078 |
| Base 9 | 67549 | 67649 |
| Base 10 | 499010 | 499910 |
| Base 11 | 382711 | 383511 |
| Base 12 | 2a7a12 | 2a8712 |
| Base 13 | 236b13 | 237713 |
| Base 14 | 1b6614 | 1b7114 |
| Base 15 | 172a15 | 173415 |
| Base 16 | 137e16 | 138716 |