Compare 660661 vs 660671
| Property | 660661 | 660671 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6606611 | 111 × 171 × 35331 |
| Prime factorization | 660661 | 11 × 17 × 3533 |
| Divisors count | 2 | 8 |
| Divisors | 1, 660661 | 1, 11, 17, 187, 3533, 38863, 60061, 660671 |
| Number of properties | 3 | 0 |
| Centered decagonal primes | 153rd | |
| Primes | 53621st | |
| Twin primes (2nd member) | 5785th | |
| Roman numberals | ||
| Base 2 | 101000010100101101012 | 101000010100101111112 |
| Base 3 | 10201200202213 | 10201200210223 |
| Base 4 | 22011023114 | 22011023334 |
| Base 5 | 1321201215 | 1321201415 |
| Base 6 | 220543416 | 220543556 |
| Base 7 | 54210617 | 54211047 |
| Base 8 | 24122658 | 24122778 |
| Base 9 | 12162279 | 12162389 |
| Base 10 | 66066110 | 66067110 |
| Base 11 | 41140111 | 41141011 |
| Base 12 | 27a3b112 | 27a3bb12 |
| Base 13 | 1a193113 | 1a193b13 |
| Base 14 | 132aa114 | 132aab14 |
| Base 15 | d0b4115 | d0b4b15 |
| Base 16 | a14b516 | a14bf16 |