Compare 161221 vs 161309
| Property | 161221 | 161309 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1612211 | 1613091 |
| Prime factorization | 161221 | 161309 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161221 | 1, 161309 |
| Number of properties | 5 | 5 |
| Additive primes | 6065th | |
| Chen primes | 6307th | |
| Isolated primes | 11163rd | 11170th |
| Lucky primes | 1908th | |
| Primes | 14786th | 14793rd |
| Pythagorean primes | 7376th | 7380th |
| Sexy primes (2nd member) | 3587th | |
| Roman numberals | ||
| Base 2 | 1001110101110001012 | 1001110110000111012 |
| Base 3 | 220120110113 | 220120211023 |
| Base 4 | 2131130114 | 2131201314 |
| Base 5 | 201243415 | 201302145 |
| Base 6 | 32422216 | 32424456 |
| Base 7 | 12410147 | 12412017 |
| Base 8 | 4727058 | 4730358 |
| Base 9 | 2651349 | 2652429 |
| Base 10 | 16122110 | 16130910 |
| Base 11 | 10014511 | 10021511 |
| Base 12 | 7937112 | 7942512 |
| Base 13 | 584c813 | 5856513 |
| Base 14 | 42a7b14 | 42b0114 |
| Base 15 | 32b8115 | 32bde15 |
| Base 16 | 275c516 | 2761d16 |