Compare 21841 vs 22381
| Property | 21841 | 22381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218411 | 223811 |
| Prime factorization | 21841 | 22381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21841 | 1, 22381 |
| Number of properties | 6 | 8 |
| Centered square primes | 38th | |
| Happy primes | 406th | 411th |
| Harmonic primes | 921st | |
| Isolated primes | 1748th | |
| Long primes | 948th | |
| Lucky primes | 397th | 402nd |
| Primes | 2450th | 2505th |
| Pythagorean primes | 1216th | 1240th |
| Twin primes (2nd member) | 372nd | |
| Ulam primes | 184th | |
| Roman numberals | ||
| Base 2 | 1010101010100012 | 1010111011011012 |
| Base 3 | 10022212213 | 10102002213 |
| Base 4 | 111111014 | 111312314 |
| Base 5 | 11443315 | 12040115 |
| Base 6 | 2450416 | 2513416 |
| Base 7 | 1204517 | 1221527 |
| Base 8 | 525218 | 535558 |
| Base 9 | 328579 | 336279 |
| Base 10 | 2184110 | 2238110 |
| Base 11 | 1545611 | 158a711 |
| Base 12 | 1078112 | 10b5112 |
| Base 13 | 9c3113 | a25813 |
| Base 14 | 7d6114 | 822914 |
| Base 15 | 671115 | 697115 |
| Base 16 | 555116 | 576d16 |