Compare 1227 vs 1237
| Property | 1227 | 1237 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 4091 | 12371 |
| Prime factorization | 3 × 409 | 1237 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 409, 1227 | 1, 1237 |
| Number of properties | 1 | 7 |
| Additive primes | 109th | |
| Emirps | 57th | |
| Harmonic primes | 71st | |
| Isolated primes | 120th | |
| Primes | 203rd | |
| Pythagorean primes | 100th | |
| Semiprimes | 362nd | |
| Sexy primes (2nd member) | 88th | |
| Roman numberals | MCCXXVII | MCCXXXVII |
| Base 2 | 100110010112 | 100110101012 |
| Base 3 | 12001103 | 12002113 |
| Base 4 | 1030234 | 1031114 |
| Base 5 | 144025 | 144225 |
| Base 6 | 54036 | 54216 |
| Base 7 | 34027 | 34157 |
| Base 8 | 23138 | 23258 |
| Base 9 | 16139 | 16249 |
| Base 10 | 122710 | 123710 |
| Base 11 | a1611 | a2511 |
| Base 12 | 86312 | 87112 |
| Base 13 | 73513 | 74213 |
| Base 14 | 63914 | 64514 |
| Base 15 | 56c15 | 57715 |
| Base 16 | 4cb16 | 4d516 |