Compare 198997 vs 199151
| Property | 198997 | 199151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1989971 | 1991511 |
| Prime factorization | 198997 | 199151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 198997 | 1, 199151 |
| Number of properties | 7 | 5 |
| Additive primes | 7194th | |
| Chen primes | 7499th | |
| Emirps | 4255th | |
| Happy primes | 2731st | |
| Harmonic primes | 6727th | |
| Isolated primes | 13606th | |
| Lucky primes | 2306th | |
| Primes | 17907th | 17916th |
| Pythagorean primes | 8934th | |
| Sophie germain primes | 2055th | |
| Twin primes (1st member) | 2153rd | |
| Roman numberals | ||
| Base 2 | 1100001001010101012 | 1100001001111011112 |
| Base 3 | 1010022220213 | 1010100112223 |
| Base 4 | 3002111114 | 3002132334 |
| Base 5 | 223314425 | 223331015 |
| Base 6 | 41331416 | 41335556 |
| Base 7 | 14561117 | 14564217 |
| Base 8 | 6045258 | 6047578 |
| Base 9 | 3328679 | 3331589 |
| Base 10 | 19899710 | 19915110 |
| Base 11 | 12656711 | 12669711 |
| Base 12 | 971b112 | 972bb12 |
| Base 13 | 6c76613 | 6c85413 |
| Base 14 | 5274114 | 5281114 |
| Base 15 | 3de6715 | 3e01b15 |
| Base 16 | 3095516 | 309ef16 |