Compare 21139 vs 21149
| Property | 21139 | 21149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211391 | 211491 |
| Prime factorization | 21139 | 21149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21139 | 1, 21149 |
| Number of properties | 5 | 11 |
| Additive primes | 1104th | |
| Chen primes | 1168th | |
| Cousin primes (1st member) | 360th | |
| Good primes | 266th | |
| Happy primes | 394th | |
| Isolated primes | 1656th | 1658th |
| Long primes | 904th | |
| Lucky primes | 385th | |
| Primes | 2375th | 2377th |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | |
| Super primes | 352nd | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010010100100112 | 1010010100111012 |
| Base 3 | 10012222213 | 10020000223 |
| Base 4 | 110221034 | 110221314 |
| Base 5 | 11340245 | 11340445 |
| Base 6 | 2415116 | 2415256 |
| Base 7 | 1154267 | 1154427 |
| Base 8 | 512238 | 512358 |
| Base 9 | 318879 | 320089 |
| Base 10 | 2113910 | 2114910 |
| Base 11 | 1497811 | 1498711 |
| Base 12 | 1029712 | 102a512 |
| Base 13 | 981113 | 981b13 |
| Base 14 | 79bd14 | 79c914 |
| Base 15 | 63e415 | 63ee15 |
| Base 16 | 529316 | 529d16 |