Compare 990279 vs 990281
| Property | 990279 | 990281 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 33 × 366771 | 9902811 |
| Prime factorization | 3 × 3 × 3 × 36677 | 990281 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 9, 27, 36677, 110031, 330093, 990279 | 1, 990281 |
| Number of properties | 0 | 7 |
| Additive primes | 29858th | |
| Cousin primes (2nd member) | 8089th | |
| Emirps | 10956th | |
| Isolated primes | 61589th | |
| Primes | 77794th | |
| Sexy primes (1st member) | 16243rd | |
| Sexy prime triplets (1st member) | 2876th | |
| Roman numberals | ||
| Base 2 | 111100011100010001112 | 111100011100010010012 |
| Base 3 | 12120221020003 | 12120221020023 |
| Base 4 | 33013010134 | 33013010214 |
| Base 5 | 2231421045 | 2231421115 |
| Base 6 | 331203436 | 331203456 |
| Base 7 | 112630537 | 112630557 |
| Base 8 | 36161078 | 36161118 |
| Base 9 | 17683609 | 17683629 |
| Base 10 | 99027910 | 99028110 |
| Base 11 | 61701411 | 61701611 |
| Base 12 | 3b90b312 | 3b90b512 |
| Base 13 | 28898413 | 28898613 |
| Base 14 | 1bac6314 | 1bac6514 |
| Base 15 | 14863915 | 14863b15 |
| Base 16 | f1c4716 | f1c4916 |