Compare 6661 vs 6673
| Property | 6661 | 6673 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 66611 | 66731 |
| Prime factorization | 6661 | 6673 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6661 | 1, 6673 |
| Number of properties | 11 | 7 |
| Additive primes | 428th | |
| Centered decagonal primes | 23rd | |
| Chen primes | 469th | |
| Happy primes | 147th | 148th |
| Harmonic primes | 312th | |
| Isolated primes | 555th | |
| Left-truncatable primes | 120th | |
| Long primes | 329th | 330th |
| Lucky primes | 160th | |
| Primes | 859th | 860th |
| Pythagorean primes | 423rd | 424th |
| Sexy primes (1st member) | 307th | |
| Super primes | 149th | |
| Twin primes (2nd member) | 153rd | |
| Roman numberals | ||
| Base 2 | 11010000001012 | 11010000100012 |
| Base 3 | 1000102013 | 1000110113 |
| Base 4 | 12200114 | 12201014 |
| Base 5 | 2031215 | 2031435 |
| Base 6 | 505016 | 505216 |
| Base 7 | 252647 | 253127 |
| Base 8 | 150058 | 150218 |
| Base 9 | 101219 | 101349 |
| Base 10 | 666110 | 667310 |
| Base 11 | 500611 | 501711 |
| Base 12 | 3a3112 | 3a4112 |
| Base 13 | 305513 | 306413 |
| Base 14 | 25db14 | 260914 |
| Base 15 | 1e9115 | 1e9d15 |
| Base 16 | 1a0516 | 1a1116 |