Compare 6945 vs 6947
| Property | 6945 | 6947 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 4631 | 69471 |
| Prime factorization | 3 × 5 × 463 | 6947 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 463, 1389, 2315, 6945 | 1, 6947 |
| Number of properties | 0 | 6 |
| Chen primes | 485th | |
| Good primes | 139th | |
| Harmonic primes | 326th | |
| Left-truncatable primes | 123rd | |
| Primes | 891st | |
| Twin primes (1st member) | 161st | |
| Roman numberals | ||
| Base 2 | 11011001000012 | 11011001000112 |
| Base 3 | 1001120203 | 1001120223 |
| Base 4 | 12302014 | 12302034 |
| Base 5 | 2102405 | 2102425 |
| Base 6 | 520536 | 520556 |
| Base 7 | 261517 | 261537 |
| Base 8 | 154418 | 154438 |
| Base 9 | 104669 | 104689 |
| Base 10 | 694510 | 694710 |
| Base 11 | 524411 | 524611 |
| Base 12 | 402912 | 402b12 |
| Base 13 | 321313 | 321513 |
| Base 14 | 276114 | 276314 |
| Base 15 | 20d015 | 20d215 |
| Base 16 | 1b2116 | 1b2316 |