Compare 21841 vs 21961
| Property | 21841 | 21961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218411 | 219611 |
| Prime factorization | 21841 | 21961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21841 | 1, 21961 |
| Number of properties | 6 | 5 |
| Additive primes | 1139th | |
| Centered square primes | 38th | |
| Chen primes | 1206th | |
| Happy primes | 406th | |
| Isolated primes | 1718th | |
| Lucky primes | 397th | |
| Primes | 2450th | 2461st |
| Pythagorean primes | 1216th | 1221st |
| Twin primes (2nd member) | 372nd | |
| Roman numberals | ||
| Base 2 | 1010101010100012 | 1010101110010012 |
| Base 3 | 10022212213 | 10100101013 |
| Base 4 | 111111014 | 111130214 |
| Base 5 | 11443315 | 12003215 |
| Base 6 | 2450416 | 2454016 |
| Base 7 | 1204517 | 1210127 |
| Base 8 | 525218 | 527118 |
| Base 9 | 328579 | 331119 |
| Base 10 | 2184110 | 2196110 |
| Base 11 | 1545611 | 1555511 |
| Base 12 | 1078112 | 1086112 |
| Base 13 | 9c3113 | 9cc413 |
| Base 14 | 7d6114 | 800914 |
| Base 15 | 671115 | 679115 |
| Base 16 | 555116 | 55c916 |