Compare 990001 vs 990005
| Property | 990001 | 990005 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 9900011 | 51 × 3891 × 5091 |
| Prime factorization | 990001 | 5 × 389 × 509 |
| Divisors count | 2 | 8 |
| Divisors | 1, 990001 | 1, 5, 389, 509, 1945, 2545, 198001, 990005 |
| Number of properties | 3 | 0 |
| Additive primes | 29855th | |
| Primes | 77778th | |
| Twin primes (2nd member) | 8102nd | |
| Roman numberals | ||
| Base 2 | 111100011011001100012 | 111100011011001101012 |
| Base 3 | 12120220002013 | 12120220002123 |
| Base 4 | 33012303014 | 33012303114 |
| Base 5 | 2231400015 | 2231400105 |
| Base 6 | 331152016 | 331152056 |
| Base 7 | 112622057 | 112622127 |
| Base 8 | 36154618 | 36154658 |
| Base 9 | 17680219 | 17680259 |
| Base 10 | 99000110 | 99000510 |
| Base 11 | 61689111 | 61689511 |
| Base 12 | 3b8b0112 | 3b8b0512 |
| Base 13 | 2887cc13 | 28880313 |
| Base 14 | 1bab0514 | 1bab0914 |
| Base 15 | 14850115 | 14850515 |
| Base 16 | f1b3116 | f1b3516 |