Compare 221261 vs 221281
| Property | 221261 | 221281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2212611 | 2212811 |
| Prime factorization | 221261 | 221281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221261 | 1, 221281 |
| Number of properties | 3 | 3 |
| Isolated primes | 15042nd | 15043rd |
| Primes | 19719th | 19720th |
| Pythagorean primes | 9837th | 9838th |
| Roman numberals | ||
| Base 2 | 1101100000010011012 | 1101100000011000012 |
| Base 3 | 1020201112123 | 1020201121213 |
| Base 4 | 3120010314 | 3120012014 |
| Base 5 | 240400215 | 240401115 |
| Base 6 | 44242056 | 44242416 |
| Base 7 | 16110357 | 16110647 |
| Base 8 | 6601158 | 6601418 |
| Base 9 | 3664559 | 3664779 |
| Base 10 | 22126110 | 22128110 |
| Base 11 | 14126711 | 14128511 |
| Base 12 | a806512 | a808112 |
| Base 13 | 7993113 | 7994813 |
| Base 14 | 5a8c514 | 5a8db14 |
| Base 15 | 4585b15 | 4587115 |
| Base 16 | 3604d16 | 3606116 |