Compare 161221 vs 161303
| Property | 161221 | 161303 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1612211 | 1613031 |
| Prime factorization | 161221 | 161303 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161221 | 1, 161303 |
| Number of properties | 5 | 9 |
| Additive primes | 6065th | |
| Chen primes | 6306th | |
| Harmonic primes | 5544th | |
| Isolated primes | 11163rd | 11169th |
| Long primes | 5524th | |
| Lucky primes | 1908th | |
| Primes | 14786th | 14792nd |
| Pythagorean primes | 7376th | |
| Safe primes | 982nd | |
| Sexy primes (1st member) | 3587th | |
| Sophie germain primes | 1727th | |
| Ulam primes | 1060th | |
| Roman numberals | ||
| Base 2 | 1001110101110001012 | 1001110110000101112 |
| Base 3 | 220120110113 | 220120210123 |
| Base 4 | 2131130114 | 2131201134 |
| Base 5 | 201243415 | 201302035 |
| Base 6 | 32422216 | 32424356 |
| Base 7 | 12410147 | 12411627 |
| Base 8 | 4727058 | 4730278 |
| Base 9 | 2651349 | 2652359 |
| Base 10 | 16122110 | 16130310 |
| Base 11 | 10014511 | 10020a11 |
| Base 12 | 7937112 | 7941b12 |
| Base 13 | 584c813 | 5855c13 |
| Base 14 | 42a7b14 | 42ad914 |
| Base 15 | 32b8115 | 32bd815 |
| Base 16 | 275c516 | 2761716 |