Compare 221999 vs 222161
| Property | 221999 | 222161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2219991 | 2221611 |
| Prime factorization | 221999 | 222161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221999 | 1, 222161 |
| Number of properties | 4 | 5 |
| Chen primes | 8241st | 8249th |
| Isolated primes | 15083rd | |
| Primes | 19776th | 19793rd |
| Pythagorean primes | 9877th | |
| Sophie germain primes | 2240th | |
| Super primes | 2240th | |
| Twin primes (1st member) | 2351st | |
| Roman numberals | ||
| Base 2 | 1101100011001011112 | 1101100011110100012 |
| Base 3 | 1020211120123 | 1020212020123 |
| Base 4 | 3120302334 | 3120331014 |
| Base 5 | 241004445 | 241021215 |
| Base 6 | 44314356 | 44323056 |
| Base 7 | 16131417 | 16134627 |
| Base 8 | 6614578 | 6617218 |
| Base 9 | 3674659 | 3676659 |
| Base 10 | 22199910 | 22216110 |
| Base 11 | 14187811 | 141a0511 |
| Base 12 | a857b12 | a869512 |
| Base 13 | 7a07b13 | 7a17413 |
| Base 14 | 5ac9114 | 5ad6914 |
| Base 15 | 45b9e15 | 45c5b15 |
| Base 16 | 3632f16 | 363d116 |