Compare 669661 vs 669669
| Property | 669661 | 669669 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 5 |
| Prime factorization | 6696611 | 31 × 71 × 111 × 131 × 2231 |
| Prime factorization | 669661 | 3 × 7 × 11 × 13 × 223 |
| Divisors count | 2 | 32 |
| Divisors | 1, 669661 | 1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 223, 231, 273, 429, 669, 1001, 1561, 2453, 2899, 3003, 4683, 7359, 8697, 17171, 20293, 31889, 51513, 60879, 95667, 223223, 669669 |
| Number of properties | 6 | 0 |
| Happy primes | 7691st | |
| Primes | 54281st | |
| Sexy primes (1st member) | 11703rd | |
| Sexy prime quadrupletss (1st member) | 239th | |
| Sexy prime triplets (1st member) | 2132nd | |
| Twin primes (2nd member) | 5859th | |
| Roman numberals | ||
| Base 2 | 101000110111110111012 | 101000110111111001012 |
| Base 3 | 10210001210213 | 10210001211203 |
| Base 4 | 22031331314 | 22031332114 |
| Base 5 | 1324121215 | 1324121345 |
| Base 6 | 222041416 | 222041536 |
| Base 7 | 54562367 | 54562507 |
| Base 8 | 24337358 | 24337458 |
| Base 9 | 12305379 | 12305469 |
| Base 10 | 66966110 | 66966910 |
| Base 11 | 41814311 | 41815011 |
| Base 12 | 28365112 | 28365912 |
| Base 13 | 1a5a6513 | 1a5a7013 |
| Base 14 | 13608d14 | 13609714 |
| Base 15 | d364115 | d364915 |
| Base 16 | a37dd16 | a37e516 |