Compare 21101 vs 21139
| Property | 21101 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211011 | 211391 |
| Prime factorization | 21101 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21101 | 1, 21139 |
| Number of properties | 8 | 5 |
| Additive primes | 1100th | |
| Chen primes | 1166th | |
| Cousin primes (1st member) | 360th | |
| Good primes | 266th | |
| Happy primes | 392nd | |
| Isolated primes | 1653rd | 1656th |
| Long primes | 902nd | |
| Lucky primes | 385th | |
| Primes | 2372nd | 2375th |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011011012 | 1010010100100112 |
| Base 3 | 10012211123 | 10012222213 |
| Base 4 | 110212314 | 110221034 |
| Base 5 | 11334015 | 11340245 |
| Base 6 | 2414056 | 2415116 |
| Base 7 | 1153437 | 1154267 |
| Base 8 | 511558 | 512238 |
| Base 9 | 318459 | 318879 |
| Base 10 | 2110110 | 2113910 |
| Base 11 | 1494311 | 1497811 |
| Base 12 | 1026512 | 1029712 |
| Base 13 | 97b213 | 981113 |
| Base 14 | 799314 | 79bd14 |
| Base 15 | 63bb15 | 63e415 |
| Base 16 | 526d16 | 529316 |