Compare 12391 vs 12393
| Property | 12391 | 12393 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 7 |
| Prime factorization | 123911 | 36 × 171 |
| Prime factorization | 12391 | 3 × 3 × 3 × 3 × 3 × 3 × 17 |
| Divisors count | 2 | 14 |
| Divisors | 1, 12391 | 1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393 |
| Number of properties | 4 | 0 |
| Centered heptagonal primes | 18th | |
| Isolated primes | 996th | |
| Lucky primes | 252nd | |
| Primes | 1479th | |
| Roman numberals | ||
| Base 2 | 110000011001112 | 110000011010012 |
| Base 3 | 1212222213 | 1220000003 |
| Base 4 | 30012134 | 30012214 |
| Base 5 | 3440315 | 3440335 |
| Base 6 | 1332116 | 1332136 |
| Base 7 | 510617 | 510637 |
| Base 8 | 301478 | 301518 |
| Base 9 | 178879 | 180009 |
| Base 10 | 1239110 | 1239310 |
| Base 11 | 934511 | 934711 |
| Base 12 | 720712 | 720912 |
| Base 13 | 584213 | 584413 |
| Base 14 | 473114 | 473314 |
| Base 15 | 3a1115 | 3a1315 |
| Base 16 | 306716 | 306916 |