Compare 666229 vs 666649
| Property | 666229 | 666649 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6662291 | 6666491 |
| Prime factorization | 666229 | 666649 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666229 | 1, 666649 |
| Number of properties | 4 | 6 |
| Additive primes | 21097th | 21105th |
| Cousin primes (1st member) | 5827th | |
| Isolated primes | 42379th | |
| Primes | 54042nd | 54069th |
| Prime triplets (3rd member) | 2130th | |
| Sexy primes (2nd member) | 11668th | |
| Sexy prime triplets (3rd member) | 2126th | |
| Twin primes (2nd member) | 5837th | |
| Roman numberals | ||
| Base 2 | 101000101010011101012 | 101000101100000110012 |
| Base 3 | 10202112200113 | 10202121102013 |
| Base 4 | 22022213114 | 22023001214 |
| Base 5 | 1323044045 | 1323130445 |
| Base 6 | 221402216 | 221422016 |
| Base 7 | 54432347 | 54444047 |
| Base 8 | 24251658 | 24260318 |
| Base 9 | 12248049 | 12254219 |
| Base 10 | 66622910 | 66664910 |
| Base 11 | 41560311 | 41595511 |
| Base 12 | 28167112 | 28196112 |
| Base 13 | 1a432513 | 1a458913 |
| Base 14 | 134b1b14 | 134d3b14 |
| Base 15 | d260415 | d27d415 |
| Base 16 | a2a7516 | a2c1916 |