Compare 666227 vs 666229
| Property | 666227 | 666229 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1391 × 47931 | 6662291 |
| Prime factorization | 139 × 4793 | 666229 |
| Divisors count | 4 | 2 |
| Divisors | 1, 139, 4793, 666227 | 1, 666229 |
| Number of properties | 1 | 4 |
| Additive primes | 21097th | |
| Cousin primes (1st member) | 5827th | |
| Isolated primes | 42379th | |
| Primes | 54042nd | |
| Semiprimes | 142503rd | |
| Roman numberals | ||
| Base 2 | 101000101010011100112 | 101000101010011101012 |
| Base 3 | 10202112200023 | 10202112200113 |
| Base 4 | 22022213034 | 22022213114 |
| Base 5 | 1323044025 | 1323044045 |
| Base 6 | 221402156 | 221402216 |
| Base 7 | 54432327 | 54432347 |
| Base 8 | 24251638 | 24251658 |
| Base 9 | 12248029 | 12248049 |
| Base 10 | 66622710 | 66622910 |
| Base 11 | 41560111 | 41560311 |
| Base 12 | 28166b12 | 28167112 |
| Base 13 | 1a432313 | 1a432513 |
| Base 14 | 134b1914 | 134b1b14 |
| Base 15 | d260215 | d260415 |
| Base 16 | a2a7316 | a2a7516 |