Compare 21139 vs 22531
| Property | 21139 | 22531 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211391 | 225311 |
| Prime factorization | 21139 | 22531 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21139 | 1, 22531 |
| Number of properties | 5 | 5 |
| Additive primes | 1163rd | |
| Cousin primes (1st member) | 360th | |
| Good primes | 266th | 274th |
| Harmonic primes | 928th | |
| Isolated primes | 1656th | 1759th |
| Lucky primes | 385th | |
| Primes | 2375th | 2518th |
| Roman numberals | ||
| Base 2 | 1010010100100112 | 1011000000000112 |
| Base 3 | 10012222213 | 10102201113 |
| Base 4 | 110221034 | 112000034 |
| Base 5 | 11340245 | 12101115 |
| Base 6 | 2415116 | 2521516 |
| Base 7 | 1154267 | 1224557 |
| Base 8 | 512238 | 540038 |
| Base 9 | 318879 | 338149 |
| Base 10 | 2113910 | 2253110 |
| Base 11 | 1497811 | 15a2311 |
| Base 12 | 1029712 | 1105712 |
| Base 13 | 981113 | a34213 |
| Base 14 | 79bd14 | 82d514 |
| Base 15 | 63e415 | 6a2115 |
| Base 16 | 529316 | 580316 |