Compare 20963 vs 21139
| Property | 20963 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209631 | 211391 |
| Prime factorization | 20963 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20963 | 1, 21139 |
| Number of properties | 5 | 5 |
| Cousin primes (1st member) | 360th | |
| Cousin primes (2nd member) | 357th | |
| Good primes | 266th | |
| Happy primes | 390th | |
| Isolated primes | 1647th | 1656th |
| Lucky primes | 385th | |
| Primes | 2358th | 2375th |
| Sophie germain primes | 341st | |
| Roman numberals | ||
| Base 2 | 1010001111000112 | 1010010100100112 |
| Base 3 | 10012021023 | 10012222213 |
| Base 4 | 110132034 | 110221034 |
| Base 5 | 11323235 | 11340245 |
| Base 6 | 2410156 | 2415116 |
| Base 7 | 1150557 | 1154267 |
| Base 8 | 507438 | 512238 |
| Base 9 | 316729 | 318879 |
| Base 10 | 2096310 | 2113910 |
| Base 11 | 1482811 | 1497811 |
| Base 12 | 1016b12 | 1029712 |
| Base 13 | 970713 | 981113 |
| Base 14 | 78d514 | 79bd14 |
| Base 15 | 632815 | 63e415 |
| Base 16 | 51e316 | 529316 |