Compare 21139 vs 21817
| Property | 21139 | 21817 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211391 | 218171 |
| Prime factorization | 21139 | 21817 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21139 | 1, 21817 |
| Number of properties | 5 | 8 |
| Additive primes | 1132nd | |
| Cousin primes (1st member) | 360th | 372nd |
| Good primes | 266th | |
| Harmonic primes | 901st | |
| Isolated primes | 1656th | 1706th |
| Long primes | 925th | |
| Lucky primes | 385th | |
| Primes | 2375th | 2447th |
| Pythagorean primes | 1214th | |
| Super primes | 363rd | |
| Roman numberals | ||
| Base 2 | 1010010100100112 | 1010101001110012 |
| Base 3 | 10012222213 | 10022210013 |
| Base 4 | 110221034 | 111103214 |
| Base 5 | 11340245 | 11442325 |
| Base 6 | 2415116 | 2450016 |
| Base 7 | 1154267 | 1204157 |
| Base 8 | 512238 | 524718 |
| Base 9 | 318879 | 328319 |
| Base 10 | 2113910 | 2181710 |
| Base 11 | 1497811 | 1543411 |
| Base 12 | 1029712 | 1076112 |
| Base 13 | 981113 | 9c1313 |
| Base 14 | 79bd14 | 7d4514 |
| Base 15 | 63e415 | 66e715 |
| Base 16 | 529316 | 553916 |