Compare 12481 vs 12487
| Property | 12481 | 12487 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 17831 | 124871 |
| Prime factorization | 7 × 1783 | 12487 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 1783, 12481 | 1, 12487 |
| Number of properties | 1 | 6 |
| Cousin primes (1st member) | 243rd | |
| Good primes | 204th | |
| Isolated primes | 1007th | |
| Long primes | 577th | |
| Lucky primes | 254th | |
| Primes | 1490th | |
| Semiprimes | 3251st | |
| Roman numberals | ||
| Base 2 | 110000110000012 | 110000110001112 |
| Base 3 | 1220100213 | 1220101113 |
| Base 4 | 30030014 | 30030134 |
| Base 5 | 3444115 | 3444225 |
| Base 6 | 1334416 | 1334516 |
| Base 7 | 512507 | 512567 |
| Base 8 | 303018 | 303078 |
| Base 9 | 181079 | 181149 |
| Base 10 | 1248110 | 1248710 |
| Base 11 | 941711 | 942211 |
| Base 12 | 728112 | 728712 |
| Base 13 | 58b113 | 58b713 |
| Base 14 | 479714 | 479d14 |
| Base 15 | 3a7115 | 3a7715 |
| Base 16 | 30c116 | 30c716 |