Compare 661139 vs 661259
| Property | 661139 | 661259 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6611391 | 6612591 |
| Prime factorization | 661139 | 661259 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661139 | 1, 661259 |
| Number of properties | 4 | 4 |
| Additive primes | 20953rd | |
| Chen primes | 20993rd | |
| Isolated primes | 42080th | 42087th |
| Primes | 53661st | 53670th |
| Safe primes | 3099th | |
| Sexy primes (2nd member) | 11589th | |
| Roman numberals | ||
| Base 2 | 101000010110100100112 | 101000010111000010112 |
| Base 3 | 10201202201223 | 10201210020023 |
| Base 4 | 22011221034 | 22011300234 |
| Base 5 | 1321240245 | 1321300145 |
| Base 6 | 221004556 | 221012156 |
| Base 7 | 54223437 | 54226047 |
| Base 8 | 24132238 | 24134138 |
| Base 9 | 12168189 | 12170629 |
| Base 10 | 66113910 | 66125910 |
| Base 11 | 4117a611 | 4118a511 |
| Base 12 | 27a72b12 | 27a80b12 |
| Base 13 | 1a1c0b13 | 1a1ca113 |
| Base 14 | 132d2314 | 132dab14 |
| Base 15 | d0d5e15 | d0dde15 |
| Base 16 | a169316 | a170b16 |