Compare 989997 vs 990001
| Property | 989997 | 990001 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 3299991 | 9900011 |
| Prime factorization | 3 × 329999 | 990001 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 329999, 989997 | 1, 990001 |
| Number of properties | 1 | 3 |
| Additive primes | 29855th | |
| Primes | 77778th | |
| Semiprimes | 208030th | |
| Twin primes (2nd member) | 8102nd | |
| Roman numberals | ||
| Base 2 | 111100011011001011012 | 111100011011001100012 |
| Base 3 | 12120220001203 | 12120220002013 |
| Base 4 | 33012302314 | 33012303014 |
| Base 5 | 2231344425 | 2231400015 |
| Base 6 | 331151536 | 331152016 |
| Base 7 | 112622017 | 112622057 |
| Base 8 | 36154558 | 36154618 |
| Base 9 | 17680169 | 17680219 |
| Base 10 | 98999710 | 99000110 |
| Base 11 | 61688811 | 61689111 |
| Base 12 | 3b8ab912 | 3b8b0112 |
| Base 13 | 2887c813 | 2887cc13 |
| Base 14 | 1bab0114 | 1bab0514 |
| Base 15 | 1484ec15 | 14850115 |
| Base 16 | f1b2d16 | f1b3116 |