Compare 1231 vs 1241
| Property | 1231 | 1241 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 12311 | 171 × 731 |
| Prime factorization | 1231 | 17 × 73 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1231 | 1, 17, 73, 1241 |
| Number of properties | 6 | 1 |
| Additive primes | 108th | |
| Emirps | 56th | |
| Lucky primes | 52nd | |
| Primes | 202nd | |
| Semiprimes | 365th | |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXXI | MCCXLI |
| Base 2 | 100110011112 | 100110110012 |
| Base 3 | 12001213 | 12002223 |
| Base 4 | 1030334 | 1031214 |
| Base 5 | 144115 | 144315 |
| Base 6 | 54116 | 54256 |
| Base 7 | 34067 | 34227 |
| Base 8 | 23178 | 23318 |
| Base 9 | 16179 | 16289 |
| Base 10 | 123110 | 124110 |
| Base 11 | a1a11 | a2911 |
| Base 12 | 86712 | 87512 |
| Base 13 | 73913 | 74613 |
| Base 14 | 63d14 | 64914 |
| Base 15 | 57115 | 57b15 |
| Base 16 | 4cf16 | 4d916 |