Compare 199451 vs 199457
| Property | 199451 | 199457 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 284931 | 1994571 |
| Prime factorization | 7 × 28493 | 199457 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 28493, 199451 | 1, 199457 |
| Number of properties | 1 | 7 |
| Cousin primes (2nd member) | 2131st | |
| Emirps | 4264th | |
| Harmonic primes | 6743rd | |
| Isolated primes | 13635th | |
| Long primes | 6719th | |
| Primes | 17940th | |
| Pythagorean primes | 8954th | |
| Semiprimes | 45113th | |
| Roman numberals | ||
| Base 2 | 1100001011000110112 | 1100001011001000012 |
| Base 3 | 1010101210023 | 1010101210223 |
| Base 4 | 3002301234 | 3002302014 |
| Base 5 | 223403015 | 223403125 |
| Base 6 | 41352156 | 41352256 |
| Base 7 | 14603307 | 14603367 |
| Base 8 | 6054338 | 6054418 |
| Base 9 | 3335329 | 3335389 |
| Base 10 | 19945110 | 19945710 |
| Base 11 | 12693a11 | 12694511 |
| Base 12 | 9750b12 | 9751512 |
| Base 13 | 6ca2513 | 6ca2b13 |
| Base 14 | 5298714 | 5298d14 |
| Base 15 | 3e16b15 | 3e17215 |
| Base 16 | 30b1b16 | 30b2116 |