Compare 12391 vs 12799
| Property | 12391 | 12799 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 123911 | 127991 |
| Prime factorization | 12391 | 12799 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12391 | 1, 12799 |
| Number of properties | 4 | 5 |
| Centered heptagonal primes | 18th | |
| Emirps | 356th | |
| Harmonic primes | 545th | |
| Isolated primes | 996th | 1039th |
| Lucky primes | 252nd | 260th |
| Primes | 1479th | 1526th |
| Roman numberals | ||
| Base 2 | 110000011001112 | 110001111111112 |
| Base 3 | 1212222213 | 1221200013 |
| Base 4 | 30012134 | 30133334 |
| Base 5 | 3440315 | 4021445 |
| Base 6 | 1332116 | 1351316 |
| Base 7 | 510617 | 522137 |
| Base 8 | 301478 | 307778 |
| Base 9 | 178879 | 185019 |
| Base 10 | 1239110 | 1279910 |
| Base 11 | 934511 | 968611 |
| Base 12 | 720712 | 74a712 |
| Base 13 | 584213 | 5a9713 |
| Base 14 | 473114 | 494314 |
| Base 15 | 3a1115 | 3bd415 |
| Base 16 | 306716 | 31ff16 |