Compare 661139 vs 664319
| Property | 661139 | 664319 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6611391 | 6643191 |
| Prime factorization | 661139 | 664319 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661139 | 1, 664319 |
| Number of properties | 4 | 5 |
| Additive primes | 21035th | |
| Chen primes | 20993rd | 21079th |
| Isolated primes | 42080th | 42257th |
| Primes | 53661st | 53892nd |
| Safe primes | 3099th | 3111th |
| Roman numberals | ||
| Base 2 | 101000010110100100112 | 101000100010111111112 |
| Base 3 | 10201202201223 | 10202020211023 |
| Base 4 | 22011221034 | 22020233334 |
| Base 5 | 1321240245 | 1322242345 |
| Base 6 | 221004556 | 221233156 |
| Base 7 | 54223437 | 54345357 |
| Base 8 | 24132238 | 24213778 |
| Base 9 | 12168189 | 12222429 |
| Base 10 | 66113910 | 66431910 |
| Base 11 | 4117a611 | 41412711 |
| Base 12 | 27a72b12 | 28053b12 |
| Base 13 | 1a1c0b13 | 1a34b613 |
| Base 14 | 132d2314 | 13415514 |
| Base 15 | d0d5e15 | d1c7e15 |
| Base 16 | a169316 | a22ff16 |