Compare 189887 vs 189997
| Property | 189887 | 189997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1898871 | 1899971 |
| Prime factorization | 189887 | 189997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 189887 | 1, 189997 |
| Number of properties | 8 | 6 |
| Additive primes | 6944th | 6947th |
| Chen primes | 7225th | |
| Harmonic primes | 6433rd | 6437th |
| Isolated primes | 13012th | 13021st |
| Long primes | 6430th | |
| Lucky primes | 2221st | |
| Primes | 17159th | 17170th |
| Pythagorean primes | 8568th | |
| Sexy primes (2nd member) | 4109th | |
| Super primes | 1976th | |
| Roman numberals | ||
| Base 2 | 1011100101101111112 | 1011100110001011012 |
| Base 3 | 1001221102123 | 1001221212213 |
| Base 4 | 2321123334 | 2321202314 |
| Base 5 | 220340225 | 220344425 |
| Base 6 | 40230356 | 40233416 |
| Base 7 | 14204157 | 14206337 |
| Base 8 | 5626778 | 5630558 |
| Base 9 | 3184259 | 3185579 |
| Base 10 | 18988710 | 18999710 |
| Base 11 | 11a73511 | 11a82511 |
| Base 12 | 91a7b12 | 91b5112 |
| Base 13 | 6857913 | 6863213 |
| Base 14 | 4d2b514 | 4d35314 |
| Base 15 | 3b3e215 | 3b46715 |
| Base 16 | 2e5bf16 | 2e62d16 |