Compare 663241 vs 663407
| Property | 663241 | 663407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6632411 | 6634071 |
| Prime factorization | 663241 | 663407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 663241 | 1, 663407 |
| Number of properties | 2 | 3 |
| Chen primes | 21047th | |
| Primes | 53809th | 53820th |
| Twin primes (1st member) | 5807th | |
| Twin primes (2nd member) | 5805th | |
| Roman numberals | ||
| Base 2 | 101000011110110010012 | 101000011111011011112 |
| Base 3 | 10202002101113 | 10202010001223 |
| Base 4 | 22013230214 | 22013312334 |
| Base 5 | 1322104315 | 1322121125 |
| Base 6 | 221143216 | 221151556 |
| Base 7 | 54314357 | 54320637 |
| Base 8 | 24173118 | 24175578 |
| Base 9 | 12207149 | 12210189 |
| Base 10 | 66324110 | 66340710 |
| Base 11 | 41333711 | 41347811 |
| Base 12 | 27b9a112 | 27babb12 |
| Base 13 | 1a2b6713 | 1a2c6413 |
| Base 14 | 1339c514 | 133aa314 |
| Base 15 | d17b115 | d187215 |
| Base 16 | a1ec916 | a1f6f16 |