Compare 1123 vs 1231
| Property | 1123 | 1231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11231 | 12311 |
| Prime factorization | 1123 | 1231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1123 | 1, 1231 |
| Number of properties | 7 | 6 |
| Additive primes | 101st | 108th |
| Emirps | 56th | |
| Isolated primes | 109th | |
| Lucky primes | 50th | 52nd |
| Primes | 188th | 202nd |
| Sexy primes (1st member) | 83rd | 88th |
| Sexy primes (2nd member) | 82nd | |
| Sexy prime triplets (2nd member) | 31st | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCXXIII | MCCXXXI |
| Base 2 | 100011000112 | 100110011112 |
| Base 3 | 11121213 | 12001213 |
| Base 4 | 1012034 | 1030334 |
| Base 5 | 134435 | 144115 |
| Base 6 | 51116 | 54116 |
| Base 7 | 31637 | 34067 |
| Base 8 | 21438 | 23178 |
| Base 9 | 14779 | 16179 |
| Base 10 | 112310 | 123110 |
| Base 11 | 93111 | a1a11 |
| Base 12 | 79712 | 86712 |
| Base 13 | 68513 | 73913 |
| Base 14 | 5a314 | 63d14 |
| Base 15 | 4ed15 | 57115 |
| Base 16 | 46316 | 4cf16 |