Compare 198245 vs 198257
| Property | 198245 | 198257 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 311 × 12791 | 1982571 |
| Prime factorization | 5 × 31 × 1279 | 198257 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 31, 155, 1279, 6395, 39649, 198245 | 1, 198257 |
| Number of properties | 0 | 8 |
| Chen primes | 7469th | |
| Emirps | 4232nd | |
| Harmonic primes | 6700th | |
| Long primes | 6675th | |
| Primes | 17842nd | |
| Pythagorean primes | 8896th | |
| Sexy primes (2nd member) | 4270th | |
| Twin primes (1st member) | 2144th | |
| Roman numberals | ||
| Base 2 | 1100000110011001012 | 1100000110011100012 |
| Base 3 | 1010012211023 | 1010012212123 |
| Base 4 | 3001212114 | 3001213014 |
| Base 5 | 223204405 | 223210125 |
| Base 6 | 41254456 | 41255056 |
| Base 7 | 14536557 | 14540037 |
| Base 8 | 6031458 | 6031618 |
| Base 9 | 3318429 | 3318559 |
| Base 10 | 19824510 | 19825710 |
| Base 11 | 125a4311 | 125a5411 |
| Base 12 | 9688512 | 9689512 |
| Base 13 | 6c30813 | 6c31713 |
| Base 14 | 5236514 | 5237314 |
| Base 15 | 3db1515 | 3db2215 |
| Base 16 | 3066516 | 3067116 |