Compare 21977 vs 22129
| Property | 21977 | 22129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 219771 | 221291 |
| Prime factorization | 21977 | 22129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21977 | 1, 22129 |
| Number of properties | 6 | 7 |
| Chen primes | 1207th | |
| Cousin primes (1st member) | 376th | |
| Happy primes | 407th | |
| Harmonic primes | 906th | 914th |
| Isolated primes | 1719th | 1732nd |
| Long primes | 931st | |
| Primes | 2462nd | 2481st |
| Pythagorean primes | 1222nd | 1229th |
| Sexy primes (2nd member) | 747th | |
| Roman numberals | ||
| Base 2 | 1010101110110012 | 1010110011100012 |
| Base 3 | 10100102223 | 10101001213 |
| Base 4 | 111131214 | 111213014 |
| Base 5 | 12004025 | 12020045 |
| Base 6 | 2454256 | 2502416 |
| Base 7 | 1210347 | 1213427 |
| Base 8 | 527318 | 531618 |
| Base 9 | 331289 | 333179 |
| Base 10 | 2197710 | 2212910 |
| Base 11 | 1556a11 | 1569811 |
| Base 12 | 1087512 | 1098112 |
| Base 13 | a00713 | a0c313 |
| Base 14 | 801b14 | 80c914 |
| Base 15 | 67a215 | 685415 |
| Base 16 | 55d916 | 567116 |