Compare 1231 vs 1235
| Property | 1231 | 1235 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 12311 | 51 × 131 × 191 |
| Prime factorization | 1231 | 5 × 13 × 19 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1231 | 1, 5, 13, 19, 65, 95, 247, 1235 |
| Number of properties | 6 | 0 |
| Additive primes | 108th | |
| Emirps | 56th | |
| Lucky primes | 52nd | |
| Primes | 202nd | |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXXI | MCCXXXV |
| Base 2 | 100110011112 | 100110100112 |
| Base 3 | 12001213 | 12002023 |
| Base 4 | 1030334 | 1031034 |
| Base 5 | 144115 | 144205 |
| Base 6 | 54116 | 54156 |
| Base 7 | 34067 | 34137 |
| Base 8 | 23178 | 23238 |
| Base 9 | 16179 | 16229 |
| Base 10 | 123110 | 123510 |
| Base 11 | a1a11 | a2311 |
| Base 12 | 86712 | 86b12 |
| Base 13 | 73913 | 74013 |
| Base 14 | 63d14 | 64314 |
| Base 15 | 57115 | 57515 |
| Base 16 | 4cf16 | 4d316 |