Compare 1021 vs 1123
| Property | 1021 | 1123 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10211 | 11231 |
| Prime factorization | 1021 | 1123 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1021 | 1, 1123 |
| Number of properties | 8 | 7 |
| Additive primes | 101st | |
| Emirps | 38th | |
| Harmonic primes | 61st | |
| Isolated primes | 109th | |
| Long primes | 62nd | |
| Lucky primes | 45th | 50th |
| Primes | 172nd | 188th |
| Pythagorean primes | 83rd | |
| Sexy primes (1st member) | 83rd | |
| Sexy primes (2nd member) | 82nd | |
| Sexy prime triplets (2nd member) | 31st | |
| Solinas primes | 46th | |
| Twin primes (2nd member) | 36th | |
| Roman numberals | MXXI | MCXXIII |
| Base 2 | 11111111012 | 100011000112 |
| Base 3 | 11012113 | 11121213 |
| Base 4 | 333314 | 1012034 |
| Base 5 | 130415 | 134435 |
| Base 6 | 44216 | 51116 |
| Base 7 | 26567 | 31637 |
| Base 8 | 17758 | 21438 |
| Base 9 | 13549 | 14779 |
| Base 10 | 102110 | 112310 |
| Base 11 | 84911 | 93111 |
| Base 12 | 71112 | 79712 |
| Base 13 | 60713 | 68513 |
| Base 14 | 52d14 | 5a314 |
| Base 15 | 48115 | 4ed15 |
| Base 16 | 3fd16 | 46316 |