Compare 1228 vs 1237
| Property | 1228 | 1237 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 22 × 3071 | 12371 |
| Prime factorization | 2 × 2 × 307 | 1237 |
| Divisors count | 6 | 2 |
| Divisors | 1, 2, 4, 307, 614, 1228 | 1, 1237 |
| Number of properties | 0 | 7 |
| Additive primes | 109th | |
| Emirps | 57th | |
| Harmonic primes | 71st | |
| Isolated primes | 120th | |
| Primes | 203rd | |
| Pythagorean primes | 100th | |
| Sexy primes (2nd member) | 88th | |
| Roman numberals | MCCXXVIII | MCCXXXVII |
| Base 2 | 100110011002 | 100110101012 |
| Base 3 | 12001113 | 12002113 |
| Base 4 | 1030304 | 1031114 |
| Base 5 | 144035 | 144225 |
| Base 6 | 54046 | 54216 |
| Base 7 | 34037 | 34157 |
| Base 8 | 23148 | 23258 |
| Base 9 | 16149 | 16249 |
| Base 10 | 122810 | 123710 |
| Base 11 | a1711 | a2511 |
| Base 12 | 86412 | 87112 |
| Base 13 | 73613 | 74213 |
| Base 14 | 63a14 | 64514 |
| Base 15 | 56d15 | 57715 |
| Base 16 | 4cc16 | 4d516 |