Compare 139681 vs 140281
| Property | 139681 | 140281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1396811 | 1402811 |
| Prime factorization | 139681 | 140281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 139681 | 1, 140281 |
| Number of properties | 5 | 8 |
| Centered decagonal primes | 76th | |
| Emirps | 2712th | |
| Happy primes | 2027th | 2038th |
| Harmonic primes | 4876th | 4895th |
| Isolated primes | 9768th | 9815th |
| Lucky primes | 1702nd | |
| Primes | 12981st | 13032nd |
| Pythagorean primes | 6465th | 6489th |
| Roman numberals | ||
| Base 2 | 1000100001101000012 | 1000100011111110012 |
| Base 3 | 210021211013 | 210101021213 |
| Base 4 | 2020122014 | 2020333214 |
| Base 5 | 134322115 | 134421115 |
| Base 6 | 25544016 | 30012416 |
| Base 7 | 11211437 | 11226617 |
| Base 8 | 4206418 | 4217718 |
| Base 9 | 2325419 | 2333779 |
| Base 10 | 13968110 | 14028110 |
| Base 11 | 95a4311 | 9643911 |
| Base 12 | 68a0112 | 6922112 |
| Base 13 | 4b76913 | 4bb0b13 |
| Base 14 | 38c9314 | 391a114 |
| Base 15 | 2b5c115 | 2b87115 |
| Base 16 | 221a116 | 223f916 |