Compare 665983 vs 666229
| Property | 665983 | 666229 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6659831 | 6662291 |
| Prime factorization | 665983 | 666229 |
| Divisors count | 2 | 2 |
| Divisors | 1, 665983 | 1, 666229 |
| Number of properties | 3 | 4 |
| Additive primes | 21088th | 21097th |
| Cousin primes (1st member) | 5827th | |
| Isolated primes | 42379th | |
| Primes | 54021st | 54042nd |
| Twin primes (2nd member) | 5831st | |
| Roman numberals | ||
| Base 2 | 101000101001011111112 | 101000101010011101012 |
| Base 3 | 10202111200013 | 10202112200113 |
| Base 4 | 22022113334 | 22022213114 |
| Base 5 | 1323024135 | 1323044045 |
| Base 6 | 221351316 | 221402216 |
| Base 7 | 54424337 | 54432347 |
| Base 8 | 24245778 | 24251658 |
| Base 9 | 12245019 | 12248049 |
| Base 10 | 66598310 | 66622910 |
| Base 11 | 4153aa11 | 41560311 |
| Base 12 | 2814a712 | 28167112 |
| Base 13 | 1a419613 | 1a432513 |
| Base 14 | 1349c314 | 134b1b14 |
| Base 15 | d24dd15 | d260415 |
| Base 16 | a297f16 | a2a7516 |