Compare 221401 vs 221407
| Property | 221401 | 221407 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2214011 | 191 × 431 × 2711 |
| Prime factorization | 221401 | 19 × 43 × 271 |
| Divisors count | 2 | 8 |
| Divisors | 1, 221401 | 1, 19, 43, 271, 817, 5149, 11653, 221407 |
| Number of properties | 5 | 0 |
| Harmonic primes | 7405th | |
| Primes | 19727th | |
| Pythagorean primes | 9841st | |
| Super primes | 2233rd | |
| Twin primes (2nd member) | 2340th | |
| Roman numberals | ||
| Base 2 | 1101100000110110012 | 1101100000110111112 |
| Base 3 | 1020202010013 | 1020202010213 |
| Base 4 | 3120031214 | 3120031334 |
| Base 5 | 240411015 | 240411125 |
| Base 6 | 44250016 | 44250116 |
| Base 7 | 16113257 | 16113347 |
| Base 8 | 6603318 | 6603378 |
| Base 9 | 3666319 | 3666379 |
| Base 10 | 22140110 | 22140710 |
| Base 11 | 14138411 | 14138a11 |
| Base 12 | a816112 | a816712 |
| Base 13 | 79a0b13 | 79a1413 |
| Base 14 | 5a98514 | 5a98b14 |
| Base 15 | 4590115 | 4590715 |
| Base 16 | 360d916 | 360df16 |