Compare 12487 vs 12489
| Property | 12487 | 12489 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 124871 | 31 × 231 × 1811 |
| Prime factorization | 12487 | 3 × 23 × 181 |
| Divisors count | 2 | 8 |
| Divisors | 1, 12487 | 1, 3, 23, 69, 181, 543, 4163, 12489 |
| Number of properties | 6 | 0 |
| Cousin primes (1st member) | 243rd | |
| Good primes | 204th | |
| Isolated primes | 1007th | |
| Long primes | 577th | |
| Lucky primes | 254th | |
| Primes | 1490th | |
| Roman numberals | ||
| Base 2 | 110000110001112 | 110000110010012 |
| Base 3 | 1220101113 | 1220101203 |
| Base 4 | 30030134 | 30030214 |
| Base 5 | 3444225 | 3444245 |
| Base 6 | 1334516 | 1334536 |
| Base 7 | 512567 | 512617 |
| Base 8 | 303078 | 303118 |
| Base 9 | 181149 | 181169 |
| Base 10 | 1248710 | 1248910 |
| Base 11 | 942211 | 942411 |
| Base 12 | 728712 | 728912 |
| Base 13 | 58b713 | 58b913 |
| Base 14 | 479d14 | 47a114 |
| Base 15 | 3a7715 | 3a7915 |
| Base 16 | 30c716 | 30c916 |