Compare 21839 vs 22637
| Property | 21839 | 22637 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218391 | 226371 |
| Prime factorization | 21839 | 22637 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21839 | 1, 22637 |
| Number of properties | 5 | 8 |
| Additive primes | 1133rd | |
| Chen primes | 1202nd | 1239th |
| Good primes | 278th | |
| Harmonic primes | 902nd | |
| Primes | 2449th | 2528th |
| Prime triplets (1st member) | 191st | |
| Pythagorean primes | 1254th | |
| Sexy primes (1st member) | 760th | |
| Twin primes (1st member) | 372nd | 384th |
| Ulam primes | 187th | |
| Roman numberals | ||
| Base 2 | 1010101010011112 | 1011000011011012 |
| Base 3 | 10022212123 | 10110011023 |
| Base 4 | 111110334 | 112012314 |
| Base 5 | 11443245 | 12110225 |
| Base 6 | 2450356 | 2524456 |
| Base 7 | 1204467 | 1226667 |
| Base 8 | 525178 | 541558 |
| Base 9 | 328559 | 340429 |
| Base 10 | 2183910 | 2263710 |
| Base 11 | 1545411 | 1600a11 |
| Base 12 | 1077b12 | 1112512 |
| Base 13 | 9c2c13 | a3c413 |
| Base 14 | 7d5d14 | 836d14 |
| Base 15 | 670e15 | 6a9215 |
| Base 16 | 554f16 | 586d16 |