Compare 990001 vs 990023
| Property | 990001 | 990023 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9900011 | 9900231 |
| Prime factorization | 990001 | 990023 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990001 | 1, 990023 |
| Number of properties | 3 | 4 |
| Additive primes | 29855th | 29856th |
| Isolated primes | 61577th | |
| Primes | 77778th | 77780th |
| Twin primes (2nd member) | 8102nd | |
| Ulam primes | 5704th | |
| Roman numberals | ||
| Base 2 | 111100011011001100012 | 111100011011010001112 |
| Base 3 | 12120220002013 | 12120220011123 |
| Base 4 | 33012303014 | 33012310134 |
| Base 5 | 2231400015 | 2231400435 |
| Base 6 | 331152016 | 331152356 |
| Base 7 | 112622057 | 112622367 |
| Base 8 | 36154618 | 36155078 |
| Base 9 | 17680219 | 17680459 |
| Base 10 | 99000110 | 99002310 |
| Base 11 | 61689111 | 61690111 |
| Base 12 | 3b8b0112 | 3b8b1b12 |
| Base 13 | 2887cc13 | 28881813 |
| Base 14 | 1bab0514 | 1bab1d14 |
| Base 15 | 14850115 | 14851815 |
| Base 16 | f1b3116 | f1b4716 |