Compare 1021 vs 1129
| Property | 1021 | 1129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10211 | 11291 |
| Prime factorization | 1021 | 1129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1021 | 1, 1129 |
| Number of properties | 8 | 6 |
| Additive primes | 102nd | |
| Emirps | 38th | |
| Harmonic primes | 61st | |
| Isolated primes | 110th | |
| Long primes | 62nd | |
| Lucky primes | 45th | |
| Primes | 172nd | 189th |
| Pythagorean primes | 83rd | 92nd |
| Sexy primes (2nd member) | 83rd | |
| Sexy prime triplets (3rd member) | 31st | |
| Solinas primes | 46th | |
| Twin primes (2nd member) | 36th | |
| Roman numberals | MXXI | MCXXIX |
| Base 2 | 11111111012 | 100011010012 |
| Base 3 | 11012113 | 11122113 |
| Base 4 | 333314 | 1012214 |
| Base 5 | 130415 | 140045 |
| Base 6 | 44216 | 51216 |
| Base 7 | 26567 | 32027 |
| Base 8 | 17758 | 21518 |
| Base 9 | 13549 | 14849 |
| Base 10 | 102110 | 112910 |
| Base 11 | 84911 | 93711 |
| Base 12 | 71112 | 7a112 |
| Base 13 | 60713 | 68b13 |
| Base 14 | 52d14 | 5a914 |
| Base 15 | 48115 | 50415 |
| Base 16 | 3fd16 | 46916 |