Compare 161221 vs 161233
| Property | 161221 | 161233 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1612211 | 1612331 |
| Prime factorization | 161221 | 161233 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161221 | 1, 161233 |
| Number of properties | 5 | 7 |
| Additive primes | 6065th | |
| Cousin primes (1st member) | 1790th | |
| Emirps | 3251st | |
| Harmonic primes | 5542nd | |
| Isolated primes | 11163rd | 11164th |
| Long primes | 5522nd | |
| Lucky primes | 1908th | |
| Primes | 14786th | 14787th |
| Pythagorean primes | 7376th | 7377th |
| Roman numberals | ||
| Base 2 | 1001110101110001012 | 1001110101110100012 |
| Base 3 | 220120110113 | 220120111213 |
| Base 4 | 2131130114 | 2131131014 |
| Base 5 | 201243415 | 201244135 |
| Base 6 | 32422216 | 32422416 |
| Base 7 | 12410147 | 12410327 |
| Base 8 | 4727058 | 4727218 |
| Base 9 | 2651349 | 2651479 |
| Base 10 | 16122110 | 16123310 |
| Base 11 | 10014511 | 10015611 |
| Base 12 | 7937112 | 7938112 |
| Base 13 | 584c813 | 5850713 |
| Base 14 | 42a7b14 | 42a8914 |
| Base 15 | 32b8115 | 32b8d15 |
| Base 16 | 275c516 | 275d116 |