Compare 221987 vs 222269
| Property | 221987 | 222269 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2219871 | 2222691 |
| Prime factorization | 221987 | 222269 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221987 | 1, 222269 |
| Number of properties | 6 | 7 |
| Additive primes | 8005th | 8019th |
| Chen primes | 8240th | |
| Happy primes | 3002nd | 3009th |
| Harmonic primes | 7425th | |
| Isolated primes | 15096th | |
| Long primes | 7413th | |
| Primes | 19774th | 19799th |
| Pythagorean primes | 9880th | |
| Sophie germain primes | 2242nd | |
| Twin primes (1st member) | 2347th | |
| Roman numberals | ||
| Base 2 | 1101100011001000112 | 1101100100001111012 |
| Base 3 | 1020211112023 | 1020212200123 |
| Base 4 | 3120302034 | 3121003314 |
| Base 5 | 241004225 | 241030345 |
| Base 6 | 44314156 | 44330056 |
| Base 7 | 16131237 | 16140057 |
| Base 8 | 6614438 | 6620758 |
| Base 9 | 3674529 | 3678059 |
| Base 10 | 22198710 | 22226910 |
| Base 11 | 14186711 | 141aa311 |
| Base 12 | a856b12 | a876512 |
| Base 13 | 7a06c13 | 7a22813 |
| Base 14 | 5ac8314 | 5b00514 |
| Base 15 | 45b9215 | 45cce15 |
| Base 16 | 3632316 | 3643d16 |