Compare 68809 vs 68821
| Property | 68809 | 68821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 131 × 671 × 791 | 688211 |
| Prime factorization | 13 × 67 × 79 | 68821 |
| Divisors count | 8 | 2 |
| Divisors | 1, 13, 67, 79, 871, 1027, 5293, 68809 | 1, 68821 |
| Number of properties | 0 | 6 |
| Centered square primes | 57th | |
| Primes | 6841st | |
| Pythagorean primes | 3404th | |
| Super primes | 881st | |
| Twin primes (2nd member) | 891st | |
| Ulam primes | 503rd | |
| Roman numberals | ||
| Base 2 | 100001100110010012 | 100001100110101012 |
| Base 3 | 101111011113 | 101111012213 |
| Base 4 | 1003030214 | 1003031114 |
| Base 5 | 42002145 | 42002415 |
| Base 6 | 12503216 | 12503416 |
| Base 7 | 4044167 | 4044347 |
| Base 8 | 2063118 | 2063258 |
| Base 9 | 1143449 | 1143579 |
| Base 10 | 6880910 | 6882110 |
| Base 11 | 4777411 | 4778511 |
| Base 12 | 339a112 | 339b112 |
| Base 13 | 2542013 | 2542c13 |
| Base 14 | 1b10d14 | 1b11b14 |
| Base 15 | 155c415 | 155d115 |
| Base 16 | 10cc916 | 10cd516 |