Compare 813 vs 838
| Property | 813 | 838 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 2711 | 21 × 4191 |
| Prime factorization | 3 × 271 | 2 × 419 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 271, 813 | 1, 2, 419, 838 |
| Number of properties | 1 | 1 |
| Semiprimes | 246th | 252nd |
| Roman numberals | DCCCXIII | DCCCXXXVIII |
| Base 2 | 11001011012 | 11010001102 |
| Base 3 | 10100103 | 10110013 |
| Base 4 | 302314 | 310124 |
| Base 5 | 112235 | 113235 |
| Base 6 | 34336 | 35146 |
| Base 7 | 22417 | 23057 |
| Base 8 | 14558 | 15068 |
| Base 9 | 11039 | 11319 |
| Base 10 | 81310 | 83810 |
| Base 11 | 67a11 | 6a211 |
| Base 12 | 57912 | 59a12 |
| Base 13 | 4a713 | 4c613 |
| Base 14 | 42114 | 43c14 |
| Base 15 | 39315 | 3ad15 |
| Base 16 | 32d16 | 34616 |