Compare 20323 vs 21139
| Property | 20323 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203231 | 211391 |
| Prime factorization | 20323 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20323 | 1, 21139 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 349th | 360th |
| Good primes | 266th | |
| Isolated primes | 1605th | 1656th |
| Lucky primes | 385th | |
| Primes | 2294th | 2375th |
| Ulam primes | 167th | |
| Roman numberals | ||
| Base 2 | 1001111011000112 | 1010010100100112 |
| Base 3 | 10002122013 | 10012222213 |
| Base 4 | 103312034 | 110221034 |
| Base 5 | 11222435 | 11340245 |
| Base 6 | 2340316 | 2415116 |
| Base 7 | 1131527 | 1154267 |
| Base 8 | 475438 | 512238 |
| Base 9 | 307819 | 318879 |
| Base 10 | 2032310 | 2113910 |
| Base 11 | 142a611 | 1497811 |
| Base 12 | b91712 | 1029712 |
| Base 13 | 933413 | 981113 |
| Base 14 | 759914 | 79bd14 |
| Base 15 | 604d15 | 63e415 |
| Base 16 | 4f6316 | 529316 |