Compare 208961 vs 209123
| Property | 208961 | 209123 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2089611 | 2091231 |
| Prime factorization | 208961 | 209123 |
| Divisors count | 2 | 2 |
| Divisors | 1, 208961 | 1, 209123 |
| Number of properties | 5 | 5 |
| Additive primes | 7555th | |
| Chen primes | 7817th | |
| Good primes | 1055th | |
| Harmonic primes | 7010th | |
| Isolated primes | 14239th | |
| Primes | 18715th | 18726th |
| Pythagorean primes | 9346th | |
| Safe primes | 1220th | |
| Twin primes (1st member) | 2243rd | |
| Roman numberals | ||
| Base 2 | 1100110000010000012 | 1100110000111000112 |
| Base 3 | 1011211220223 | 1011212120223 |
| Base 4 | 3030010014 | 3030032034 |
| Base 5 | 231413215 | 231424435 |
| Base 6 | 42512256 | 42520556 |
| Base 7 | 15301347 | 15304557 |
| Base 8 | 6301018 | 6303438 |
| Base 9 | 3475689 | 3477689 |
| Base 10 | 20896110 | 20912310 |
| Base 11 | 132aa511 | 13313211 |
| Base 12 | a0b1512 | a102b12 |
| Base 13 | 7415c13 | 7425513 |
| Base 14 | 5621b14 | 562d514 |
| Base 15 | 41dab15 | 41e6815 |
| Base 16 | 3304116 | 330e316 |