Compare 661117 vs 661126
| Property | 661117 | 661126 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6611171 | 21 × 3305631 |
| Prime factorization | 661117 | 2 × 330563 |
| Divisors count | 2 | 4 |
| Divisors | 1, 661117 | 1, 2, 330563, 661126 |
| Number of properties | 4 | 1 |
| Chen primes | 20991st | |
| Cousin primes (1st member) | 5784th | |
| Isolated primes | 42078th | |
| Primes | 53659th | |
| Semiprimes | 141460th | |
| Roman numberals | ||
| Base 2 | 101000010110011111012 | 101000010110100001102 |
| Base 3 | 10201202122113 | 10201202200113 |
| Base 4 | 22011213314 | 22011220124 |
| Base 5 | 1321234325 | 1321240015 |
| Base 6 | 221004216 | 221004346 |
| Base 7 | 54223127 | 54223247 |
| Base 8 | 24131758 | 24132068 |
| Base 9 | 12167849 | 12168049 |
| Base 10 | 66111710 | 66112610 |
| Base 11 | 41178611 | 41179411 |
| Base 12 | 27a71112 | 27a71a12 |
| Base 13 | 1a1bc213 | 1a1bcb13 |
| Base 14 | 132d0914 | 132d1414 |
| Base 15 | d0d4715 | d0d5115 |
| Base 16 | a167d16 | a168616 |