Compare 668999 vs 669659
| Property | 668999 | 669659 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6689991 | 6696591 |
| Prime factorization | 668999 | 669659 |
| Divisors count | 2 | 2 |
| Divisors | 1, 668999 | 1, 669659 |
| Number of properties | 4 | 5 |
| Additive primes | 21176th | 21188th |
| Chen primes | 21215th | |
| Good primes | 2049th | |
| Happy primes | 7685th | |
| Isolated primes | 42528th | |
| Primes | 54235th | 54280th |
| Twin primes (1st member) | 5859th | |
| Roman numberals | ||
| Base 2 | 101000110101010001112 | 101000110111110110112 |
| Base 3 | 10202222002023 | 10210001210123 |
| Base 4 | 22031110134 | 22031331234 |
| Base 5 | 1324014445 | 1324121145 |
| Base 6 | 222011156 | 222041356 |
| Base 7 | 54543027 | 54562347 |
| Base 8 | 24325078 | 24337338 |
| Base 9 | 12286229 | 12305359 |
| Base 10 | 66899910 | 66965910 |
| Base 11 | 4176a111 | 41814111 |
| Base 12 | 28319b12 | 28364b12 |
| Base 13 | 1a567613 | 1a5a6313 |
| Base 14 | 135b3914 | 13608b14 |
| Base 15 | d334e15 | d363e15 |
| Base 16 | a354716 | a37db16 |