Compare 12489 vs 12491
| Property | 12489 | 12491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 231 × 1811 | 124911 |
| Prime factorization | 3 × 23 × 181 | 12491 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 23, 69, 181, 543, 4163, 12489 | 1, 12491 |
| Number of properties | 0 | 9 |
| Additive primes | 720th | |
| Cousin primes (2nd member) | 243rd | |
| Emirps | 342nd | |
| Happy primes | 248th | |
| Isolated primes | 1008th | |
| Long primes | 578th | |
| Primes | 1491st | |
| Sexy primes (1st member) | 476th | |
| Sexy prime triplets (1st member) | 134th | |
| Roman numberals | ||
| Base 2 | 110000110010012 | 110000110010112 |
| Base 3 | 1220101203 | 1220101223 |
| Base 4 | 30030214 | 30030234 |
| Base 5 | 3444245 | 3444315 |
| Base 6 | 1334536 | 1334556 |
| Base 7 | 512617 | 512637 |
| Base 8 | 303118 | 303138 |
| Base 9 | 181169 | 181189 |
| Base 10 | 1248910 | 1249110 |
| Base 11 | 942411 | 942611 |
| Base 12 | 728912 | 728b12 |
| Base 13 | 58b913 | 58bb13 |
| Base 14 | 47a114 | 47a314 |
| Base 15 | 3a7915 | 3a7b15 |
| Base 16 | 30c916 | 30cb16 |