Compare 221999 vs 222151
| Property | 221999 | 222151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2219991 | 2221511 |
| Prime factorization | 221999 | 222151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221999 | 1, 222151 |
| Number of properties | 4 | 5 |
| Additive primes | 8015th | |
| Chen primes | 8241st | 8248th |
| Isolated primes | 15083rd | |
| Lucky primes | 2527th | |
| Primes | 19776th | 19792nd |
| Sophie germain primes | 2240th | |
| Twin primes (2nd member) | 2350th | |
| Roman numberals | ||
| Base 2 | 1101100011001011112 | 1101100011110001112 |
| Base 3 | 1020211120123 | 1020212012113 |
| Base 4 | 3120302334 | 3120330134 |
| Base 5 | 241004445 | 241021015 |
| Base 6 | 44314356 | 44322516 |
| Base 7 | 16131417 | 16134467 |
| Base 8 | 6614578 | 6617078 |
| Base 9 | 3674659 | 3676549 |
| Base 10 | 22199910 | 22215110 |
| Base 11 | 14187811 | 1419a611 |
| Base 12 | a857b12 | a868712 |
| Base 13 | 7a07b13 | 7a16713 |
| Base 14 | 5ac9114 | 5ad5d14 |
| Base 15 | 45b9e15 | 45c5115 |
| Base 16 | 3632f16 | 363c716 |