Compare 21139 vs 22637
| Property | 21139 | 22637 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211391 | 226371 |
| Prime factorization | 21139 | 22637 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21139 | 1, 22637 |
| Number of properties | 5 | 8 |
| Chen primes | 1239th | |
| Cousin primes (1st member) | 360th | |
| Good primes | 266th | 278th |
| Isolated primes | 1656th | |
| Lucky primes | 385th | |
| Primes | 2375th | 2528th |
| Prime triplets (1st member) | 191st | |
| Pythagorean primes | 1254th | |
| Sexy primes (1st member) | 760th | |
| Twin primes (1st member) | 384th | |
| Ulam primes | 187th | |
| Roman numberals | ||
| Base 2 | 1010010100100112 | 1011000011011012 |
| Base 3 | 10012222213 | 10110011023 |
| Base 4 | 110221034 | 112012314 |
| Base 5 | 11340245 | 12110225 |
| Base 6 | 2415116 | 2524456 |
| Base 7 | 1154267 | 1226667 |
| Base 8 | 512238 | 541558 |
| Base 9 | 318879 | 340429 |
| Base 10 | 2113910 | 2263710 |
| Base 11 | 1497811 | 1600a11 |
| Base 12 | 1029712 | 1112512 |
| Base 13 | 981113 | a3c413 |
| Base 14 | 79bd14 | 836d14 |
| Base 15 | 63e415 | 6a9215 |
| Base 16 | 529316 | 586d16 |