Compare 663399 vs 663407
| Property | 663399 | 663407 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 67011 | 6634071 |
| Prime factorization | 3 × 3 × 11 × 6701 | 663407 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 33, 99, 6701, 20103, 60309, 73711, 221133, 663399 | 1, 663407 |
| Number of properties | 0 | 3 |
| Chen primes | 21047th | |
| Primes | 53820th | |
| Twin primes (1st member) | 5807th | |
| Roman numberals | ||
| Base 2 | 101000011111011001112 | 101000011111011011112 |
| Base 3 | 10202010001003 | 10202010001223 |
| Base 4 | 22013312134 | 22013312334 |
| Base 5 | 1322120445 | 1322121125 |
| Base 6 | 221151436 | 221151556 |
| Base 7 | 54320527 | 54320637 |
| Base 8 | 24175478 | 24175578 |
| Base 9 | 12210109 | 12210189 |
| Base 10 | 66339910 | 66340710 |
| Base 11 | 41347011 | 41347811 |
| Base 12 | 27bab312 | 27babb12 |
| Base 13 | 1a2c5913 | 1a2c6413 |
| Base 14 | 133a9914 | 133aa314 |
| Base 15 | d186915 | d187215 |
| Base 16 | a1f6716 | a1f6f16 |