Compare 161221 vs 162109
| Property | 161221 | 162109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1612211 | 1621091 |
| Prime factorization | 161221 | 162109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161221 | 1, 162109 |
| Number of properties | 5 | 8 |
| Additive primes | 6065th | 6094th |
| Chen primes | 6336th | |
| Harmonic primes | 5574th | |
| Isolated primes | 11163rd | 11217th |
| Long primes | 5548th | |
| Lucky primes | 1908th | 1920th |
| Primes | 14786th | 14860th |
| Pythagorean primes | 7376th | 7406th |
| Roman numberals | ||
| Base 2 | 1001110101110001012 | 1001111001001111012 |
| Base 3 | 220120110113 | 220201010013 |
| Base 4 | 2131130114 | 2132103314 |
| Base 5 | 201243415 | 201414145 |
| Base 6 | 32422216 | 32503016 |
| Base 7 | 12410147 | 12434237 |
| Base 8 | 4727058 | 4744758 |
| Base 9 | 2651349 | 2663319 |
| Base 10 | 16122110 | 16210910 |
| Base 11 | 10014511 | 10088211 |
| Base 12 | 7937112 | 7999112 |
| Base 13 | 584c813 | 58a2c13 |
| Base 14 | 42a7b14 | 4311314 |
| Base 15 | 32b8115 | 3307415 |
| Base 16 | 275c516 | 2793d16 |