Compare 21283 vs 21347
| Property | 21283 | 21347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212831 | 213471 |
| Prime factorization | 21283 | 21347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21283 | 1, 21347 |
| Number of properties | 5 | 7 |
| Additive primes | 1112th | |
| Chen primes | 1176th | |
| Happy primes | 395th | 397th |
| Isolated primes | 1670th | 1674th |
| Left-truncatable primes | 170th | |
| Primes | 2391st | 2397th |
| Sexy primes (2nd member) | 724th | 727th |
| Ulam primes | 182nd | |
| Roman numberals | ||
| Base 2 | 1010011001000112 | 1010011011000112 |
| Base 3 | 10020120213 | 10020211223 |
| Base 4 | 110302034 | 110312034 |
| Base 5 | 11401135 | 11403425 |
| Base 6 | 2423116 | 2424556 |
| Base 7 | 1160237 | 1161447 |
| Base 8 | 514438 | 515438 |
| Base 9 | 321679 | 322489 |
| Base 10 | 2128310 | 2134710 |
| Base 11 | 14a9911 | 1504711 |
| Base 12 | 1039712 | 1042b12 |
| Base 13 | 98c213 | 994113 |
| Base 14 | 7a8314 | 7acb14 |
| Base 15 | 648d15 | 64d215 |
| Base 16 | 532316 | 536316 |