Compare 221987 vs 222977
| Property | 221987 | 222977 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2219871 | 2229771 |
| Prime factorization | 221987 | 222977 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221987 | 1, 222977 |
| Number of properties | 6 | 7 |
| Additive primes | 8005th | 8044th |
| Chen primes | 8240th | 8272nd |
| Happy primes | 3002nd | |
| Harmonic primes | 7425th | 7458th |
| Long primes | 7431st | |
| Primes | 19774th | 19855th |
| Pythagorean primes | 9906th | |
| Twin primes (1st member) | 2347th | 2356th |
| Roman numberals | ||
| Base 2 | 1101100011001000112 | 1101100111000000012 |
| Base 3 | 1020211112023 | 1020222121023 |
| Base 4 | 3120302034 | 3121300014 |
| Base 5 | 241004225 | 241134025 |
| Base 6 | 44314156 | 44401456 |
| Base 7 | 16131237 | 16160367 |
| Base 8 | 6614438 | 6634018 |
| Base 9 | 3674529 | 3687729 |
| Base 10 | 22198710 | 22297710 |
| Base 11 | 14186711 | 14258711 |
| Base 12 | a856b12 | a905512 |
| Base 13 | 7a06c13 | 7a65113 |
| Base 14 | 5ac8314 | 5b38d14 |
| Base 15 | 45b9215 | 4610215 |
| Base 16 | 3632316 | 3670116 |