Compare 686142 vs 686143
| Property | 686142 | 686143 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 32 × 381191 | 6861431 |
| Prime factorization | 2 × 3 × 3 × 38119 | 686143 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 38119, 76238, 114357, 228714, 343071, 686142 | 1, 686143 |
| Number of properties | 0 | 3 |
| Primes | 55522nd | |
| Sexy primes (1st member) | 11936th | |
| Twin primes (2nd member) | 5976th | |
| Roman numberals | ||
| Base 2 | 101001111000001111102 | 101001111000001111112 |
| Base 3 | 10212120122003 | 10212120122013 |
| Base 4 | 22132003324 | 22132003334 |
| Base 5 | 1334240325 | 1334240335 |
| Base 6 | 224123306 | 224123316 |
| Base 7 | 55552627 | 55552637 |
| Base 8 | 24740768 | 24740778 |
| Base 9 | 12551809 | 12551819 |
| Base 10 | 68614210 | 68614310 |
| Base 11 | 42956611 | 42956711 |
| Base 12 | 2910a612 | 2910a712 |
| Base 13 | 1b040213 | 1b040313 |
| Base 14 | 13c0a214 | 13c0a314 |
| Base 15 | d847c15 | d847d15 |
| Base 16 | a783e16 | a783f16 |