Compare 161221 vs 161363
| Property | 161221 | 161363 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1612211 | 1613631 |
| Prime factorization | 161221 | 161363 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161221 | 1, 161363 |
| Number of properties | 5 | 6 |
| Additive primes | 6065th | |
| Emirps | 3254th | |
| Harmonic primes | 5547th | |
| Isolated primes | 11163rd | 11173rd |
| Lucky primes | 1908th | |
| Primes | 14786th | 14798th |
| Pythagorean primes | 7376th | |
| Safe primes | 984th | |
| Sophie germain primes | 1728th | |
| Roman numberals | ||
| Base 2 | 1001110101110001012 | 1001110110010100112 |
| Base 3 | 220120110113 | 220121001023 |
| Base 4 | 2131130114 | 2131211034 |
| Base 5 | 201243415 | 201304235 |
| Base 6 | 32422216 | 32430156 |
| Base 7 | 12410147 | 12413067 |
| Base 8 | 4727058 | 4731238 |
| Base 9 | 2651349 | 2653129 |
| Base 10 | 16122110 | 16136310 |
| Base 11 | 10014511 | 10026411 |
| Base 12 | 7937112 | 7946b12 |
| Base 13 | 584c813 | 585a713 |
| Base 14 | 42a7b14 | 42b3d14 |
| Base 15 | 32b8115 | 32c2815 |
| Base 16 | 275c516 | 2765316 |