Compare 1227 vs 1231
| Property | 1227 | 1231 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 4091 | 12311 |
| Prime factorization | 3 × 409 | 1231 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 409, 1227 | 1, 1231 |
| Number of properties | 1 | 6 |
| Additive primes | 108th | |
| Emirps | 56th | |
| Lucky primes | 52nd | |
| Primes | 202nd | |
| Semiprimes | 362nd | |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXVII | MCCXXXI |
| Base 2 | 100110010112 | 100110011112 |
| Base 3 | 12001103 | 12001213 |
| Base 4 | 1030234 | 1030334 |
| Base 5 | 144025 | 144115 |
| Base 6 | 54036 | 54116 |
| Base 7 | 34027 | 34067 |
| Base 8 | 23138 | 23178 |
| Base 9 | 16139 | 16179 |
| Base 10 | 122710 | 123110 |
| Base 11 | a1611 | a1a11 |
| Base 12 | 86312 | 86712 |
| Base 13 | 73513 | 73913 |
| Base 14 | 63914 | 63d14 |
| Base 15 | 56c15 | 57115 |
| Base 16 | 4cb16 | 4cf16 |