Compare 660055 vs 660061
| Property | 660055 | 660061 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 112 × 10911 | 6600611 |
| Prime factorization | 5 × 11 × 11 × 1091 | 660061 |
| Divisors count | 12 | 2 |
| Divisors | 1, 5, 11, 55, 121, 605, 1091, 5455, 12001, 60005, 132011, 660055 | 1, 660061 |
| Number of properties | 0 | 8 |
| Additive primes | 20915th | |
| Chen primes | 20958th | |
| Happy primes | 7589th | |
| Isolated primes | 42017th | |
| Primes | 53570th | |
| Sexy primes (1st member) | 11568th | |
| Sexy prime triplets (1st member) | 2111th | |
| Ulam primes | 3931st | |
| Roman numberals | ||
| Base 2 | 101000010010010101112 | 101000010010010111012 |
| Base 3 | 10201121021113 | 10201121022013 |
| Base 4 | 22010211134 | 22010211314 |
| Base 5 | 1321102105 | 1321102215 |
| Base 6 | 220514516 | 220515016 |
| Base 7 | 54162347 | 54162437 |
| Base 8 | 24111278 | 24111358 |
| Base 9 | 12153749 | 12153819 |
| Base 10 | 66005510 | 66006110 |
| Base 11 | 410a0011 | 410a0611 |
| Base 12 | 279b8712 | 279b9112 |
| Base 13 | 1a158613 | 1a158c13 |
| Base 14 | 13278b14 | 13279314 |
| Base 15 | d088a15 | d089115 |
| Base 16 | a125716 | a125d16 |