Compare 198986 vs 198997
| Property | 198986 | 198997 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 371 × 26891 | 1989971 |
| Prime factorization | 2 × 37 × 2689 | 198997 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 37, 74, 2689, 5378, 99493, 198986 | 1, 198997 |
| Number of properties | 0 | 7 |
| Additive primes | 7194th | |
| Emirps | 4255th | |
| Harmonic primes | 6727th | |
| Isolated primes | 13606th | |
| Lucky primes | 2306th | |
| Primes | 17907th | |
| Pythagorean primes | 8934th | |
| Roman numberals | ||
| Base 2 | 1100001001010010102 | 1100001001010101012 |
| Base 3 | 1010022212123 | 1010022220213 |
| Base 4 | 3002110224 | 3002111114 |
| Base 5 | 223314215 | 223314425 |
| Base 6 | 41331226 | 41331416 |
| Base 7 | 14560647 | 14561117 |
| Base 8 | 6045128 | 6045258 |
| Base 9 | 3328559 | 3328679 |
| Base 10 | 19898610 | 19899710 |
| Base 11 | 12655711 | 12656711 |
| Base 12 | 971a212 | 971b112 |
| Base 13 | 6c75813 | 6c76613 |
| Base 14 | 5273414 | 5274114 |
| Base 15 | 3de5b15 | 3de6715 |
| Base 16 | 3094a16 | 3095516 |