Compare 209855 vs 209857
| Property | 209855 | 209857 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 191 × 472 | 2098571 |
| Prime factorization | 5 × 19 × 47 × 47 | 209857 |
| Divisors count | 12 | 2 |
| Divisors | 1, 5, 19, 47, 95, 235, 893, 2209, 4465, 11045, 41971, 209855 | 1, 209857 |
| Number of properties | 0 | 7 |
| Additive primes | 7579th | |
| Cousin primes (1st member) | 2224th | |
| Isolated primes | 14292nd | |
| Lucky primes | 2403rd | |
| Primes | 18795th | |
| Pythagorean primes | 9387th | |
| Sexy primes (2nd member) | 4463rd | |
| Roman numberals | ||
| Base 2 | 1100110011101111112 | 1100110011110000012 |
| Base 3 | 1011222121023 | 1011222121113 |
| Base 4 | 3030323334 | 3030330014 |
| Base 5 | 232034105 | 232034125 |
| Base 6 | 42553156 | 42553216 |
| Base 7 | 15325527 | 15325547 |
| Base 8 | 6316778 | 6317018 |
| Base 9 | 3487729 | 3487749 |
| Base 10 | 20985510 | 20985710 |
| Base 11 | 13373811 | 13373a11 |
| Base 12 | a153b12 | a154112 |
| Base 13 | 7469913 | 7469b13 |
| Base 14 | 5669914 | 5669b14 |
| Base 15 | 422a515 | 422a715 |
| Base 16 | 333bf16 | 333c116 |