Compare 1222 vs 1231
| Property | 1222 | 1231 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 131 × 471 | 12311 |
| Prime factorization | 2 × 13 × 47 | 1231 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 13, 26, 47, 94, 611, 1222 | 1, 1231 |
| Number of properties | 0 | 6 |
| Additive primes | 108th | |
| Emirps | 56th | |
| Lucky primes | 52nd | |
| Primes | 202nd | |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXII | MCCXXXI |
| Base 2 | 100110001102 | 100110011112 |
| Base 3 | 12000213 | 12001213 |
| Base 4 | 1030124 | 1030334 |
| Base 5 | 143425 | 144115 |
| Base 6 | 53546 | 54116 |
| Base 7 | 33647 | 34067 |
| Base 8 | 23068 | 23178 |
| Base 9 | 16079 | 16179 |
| Base 10 | 122210 | 123110 |
| Base 11 | a1111 | a1a11 |
| Base 12 | 85a12 | 86712 |
| Base 13 | 73013 | 73913 |
| Base 14 | 63414 | 63d14 |
| Base 15 | 56715 | 57115 |
| Base 16 | 4c616 | 4cf16 |