Compare 198997 vs 199999
| Property | 198997 | 199999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1989971 | 1999991 |
| Prime factorization | 198997 | 199999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 198997 | 1, 199999 |
| Number of properties | 7 | 4 |
| Additive primes | 7194th | |
| Cousin primes (1st member) | 2136th | |
| Emirps | 4255th | |
| Harmonic primes | 6727th | |
| Isolated primes | 13606th | 13665th |
| Lucky primes | 2306th | 2316th |
| Primes | 17907th | 17984th |
| Pythagorean primes | 8934th | |
| Roman numberals | ||
| Base 2 | 1100001001010101012 | 1100001101001111112 |
| Base 3 | 1010022220213 | 1010111001013 |
| Base 4 | 3002111114 | 3003103334 |
| Base 5 | 223314425 | 223444445 |
| Base 6 | 41331416 | 41415316 |
| Base 7 | 14561117 | 14620427 |
| Base 8 | 6045258 | 6064778 |
| Base 9 | 3328679 | 3343119 |
| Base 10 | 19899710 | 19999910 |
| Base 11 | 12656711 | 12729811 |
| Base 12 | 971b112 | 978a712 |
| Base 13 | 6c76613 | 7005713 |
| Base 14 | 5274114 | 52c5914 |
| Base 15 | 3de6715 | 3e3d415 |
| Base 16 | 3095516 | 30d3f16 |