Compare 157813 vs 157820
| Property | 157813 | 157820 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 5 |
| Prime factorization | 1578131 | 22 × 51 × 131 × 6071 |
| Prime factorization | 157813 | 2 × 2 × 5 × 13 × 607 |
| Divisors count | 2 | 24 |
| Divisors | 1, 157813 | 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 607, 1214, 2428, 3035, 6070, 7891, 12140, 15782, 31564, 39455, 78910, 157820 |
| Number of properties | 5 | 0 |
| Emirps | 3161st | |
| Harmonic primes | 5436th | |
| Isolated primes | 10939th | |
| Primes | 14506th | |
| Pythagorean primes | 7233rd | |
| Roman numberals | ||
| Base 2 | 1001101000011101012 | 1001101000011111002 |
| Base 3 | 220001102213 | 220001110123 |
| Base 4 | 2122013114 | 2122013304 |
| Base 5 | 200222235 | 200222405 |
| Base 6 | 32143416 | 32143526 |
| Base 7 | 12250457 | 12250557 |
| Base 8 | 4641658 | 4641748 |
| Base 9 | 2604279 | 2604359 |
| Base 10 | 15781310 | 15782010 |
| Base 11 | a862711 | a863311 |
| Base 12 | 773b112 | 773b812 |
| Base 13 | 56aa613 | 56ab013 |
| Base 14 | 4172514 | 4172c14 |
| Base 15 | 31b5d15 | 31b6515 |
| Base 16 | 2687516 | 2687c16 |