Compare 221281 vs 221411
| Property | 221281 | 221411 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2212811 | 2214111 |
| Prime factorization | 221281 | 221411 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221281 | 1, 221411 |
| Number of properties | 3 | 7 |
| Additive primes | 7983rd | |
| Chen primes | 8222nd | |
| Harmonic primes | 7406th | |
| Isolated primes | 15043rd | |
| Primes | 19720th | 19728th |
| Pythagorean primes | 9838th | |
| Sophie germain primes | 2237th | |
| Twin primes (1st member) | 2341st | |
| Ulam primes | 1407th | |
| Roman numberals | ||
| Base 2 | 1101100000011000012 | 1101100000111000112 |
| Base 3 | 1020201121213 | 1020202011023 |
| Base 4 | 3120012014 | 3120032034 |
| Base 5 | 240401115 | 240411215 |
| Base 6 | 44242416 | 44250156 |
| Base 7 | 16110647 | 16113417 |
| Base 8 | 6601418 | 6603438 |
| Base 9 | 3664779 | 3666429 |
| Base 10 | 22128110 | 22141110 |
| Base 11 | 14128511 | 14139311 |
| Base 12 | a808112 | a816b12 |
| Base 13 | 7994813 | 79a1813 |
| Base 14 | 5a8db14 | 5a99114 |
| Base 15 | 4587115 | 4590b15 |
| Base 16 | 3606116 | 360e316 |