Compare 28621 vs 28729
| Property | 28621 | 28729 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 286211 | 287291 |
| Prime factorization | 28621 | 28729 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28621 | 1, 28729 |
| Number of properties | 6 | 5 |
| Additive primes | 1423rd | |
| Happy primes | 503rd | |
| Isolated primes | 2217th | |
| Primes | 3116th | 3130th |
| Pythagorean primes | 1550th | 1556th |
| Sexy primes (1st member) | 916th | |
| Sexy primes (2nd member) | 921st | |
| Twin primes (2nd member) | 456th | |
| Ulam primes | 238th | |
| Roman numberals | ||
| Base 2 | 1101111110011012 | 1110000001110012 |
| Base 3 | 11100210013 | 11101020013 |
| Base 4 | 123330314 | 130003214 |
| Base 5 | 14034415 | 14044045 |
| Base 6 | 3403016 | 3410016 |
| Base 7 | 1463057 | 1465217 |
| Base 8 | 677158 | 700718 |
| Base 9 | 432319 | 433619 |
| Base 10 | 2862110 | 2872910 |
| Base 11 | 1a55a11 | 1a64811 |
| Base 12 | 1469112 | 1476112 |
| Base 13 | 1004813 | 100cc13 |
| Base 14 | a60514 | a68114 |
| Base 15 | 873115 | 87a415 |
| Base 16 | 6fcd16 | 703916 |