Compare 208961 vs 209159
| Property | 208961 | 209159 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089611 | 2091591 |
| Prime factorization | 208961 | 209159 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208961 | 1, 209159 |
| Number of properties | 5 | 6 |
| Chen primes | 7817th | 7826th |
| Happy primes | 2852nd | |
| Harmonic primes | 7010th | 7013th |
| Isolated primes | 14241st | |
| Primes | 18715th | 18728th |
| Pythagorean primes | 9346th | |
| Safe primes | 1221st | |
| Twin primes (1st member) | 2243rd | |
| Roman numberals | ||
| Base 2 | 1100110000010000012 | 1100110001000001112 |
| Base 3 | 1011211220223 | 1011212201223 |
| Base 4 | 3030010014 | 3030100134 |
| Base 5 | 231413215 | 231431145 |
| Base 6 | 42512256 | 42521556 |
| Base 7 | 15301347 | 15305367 |
| Base 8 | 6301018 | 6304078 |
| Base 9 | 3475689 | 3478189 |
| Base 10 | 20896110 | 20915910 |
| Base 11 | 132aa511 | 13316511 |
| Base 12 | a0b1512 | a105b12 |
| Base 13 | 7415c13 | 7428213 |
| Base 14 | 5621b14 | 5631d14 |
| Base 15 | 41dab15 | 41e8e15 |
| Base 16 | 3304116 | 3310716 |