Compare 661049 vs 661231
| Property | 661049 | 661231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6610491 | 6612311 |
| Prime factorization | 661049 | 661231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661049 | 1, 661231 |
| Number of properties | 3 | 5 |
| Additive primes | 20951st | |
| Chen primes | 20987th | 20995th |
| Isolated primes | 42074th | 42084th |
| Primes | 53651st | 53667th |
| Sexy primes (1st member) | 11588th | |
| Roman numberals | ||
| Base 2 | 101000010110001110012 | 101000010110111011112 |
| Base 3 | 10201202100223 | 10201210010013 |
| Base 4 | 22011203214 | 22011232334 |
| Base 5 | 1321231445 | 1321244115 |
| Base 6 | 221002256 | 221011316 |
| Base 7 | 54221547 | 54225347 |
| Base 8 | 24130718 | 24133578 |
| Base 9 | 12167089 | 12170319 |
| Base 10 | 66104910 | 66123110 |
| Base 11 | 41172411 | 41187a11 |
| Base 12 | 27a67512 | 27a7a712 |
| Base 13 | 1a1b6c13 | 1a1c7c13 |
| Base 14 | 132c9b14 | 132d8b14 |
| Base 15 | d0cee15 | d0dc115 |
| Base 16 | a163916 | a16ef16 |