Compare 209861 vs 210139
| Property | 209861 | 210139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2098611 | 2101391 |
| Prime factorization | 209861 | 210139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 209861 | 1, 210139 |
| Number of properties | 8 | 5 |
| Chen primes | 7851st | |
| Cousin primes (1st member) | 2229th | |
| Cousin primes (2nd member) | 2224th | |
| Harmonic primes | 7038th | 7048th |
| Isolated primes | 14293rd | 14315th |
| Long primes | 7029th | 7042nd |
| Primes | 18796th | 18820th |
| Pythagorean primes | 9388th | |
| Ulam primes | 1347th | |
| Roman numberals | ||
| Base 2 | 1100110011110001012 | 1100110100110110112 |
| Base 3 | 1011222121223 | 1012000202213 |
| Base 4 | 3030330114 | 3031031234 |
| Base 5 | 232034215 | 232110245 |
| Base 6 | 42553256 | 43005116 |
| Base 7 | 15325617 | 15334367 |
| Base 8 | 6317058 | 6323338 |
| Base 9 | 3487789 | 3502279 |
| Base 10 | 20986110 | 21013910 |
| Base 11 | 13374311 | 13397611 |
| Base 12 | a154512 | a173712 |
| Base 13 | 746a213 | 7485713 |
| Base 14 | 566a114 | 5681d14 |
| Base 15 | 422ab15 | 423e415 |
| Base 16 | 333c516 | 334db16 |