Compare 212131 vs 213727
| Property | 212131 | 213727 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2121311 | 2137271 |
| Prime factorization | 212131 | 213727 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212131 | 1, 213727 |
| Number of properties | 4 | 7 |
| Harmonic primes | 7157th | |
| Isolated primes | 14442nd | 14549th |
| Long primes | 7099th | 7142nd |
| Lucky primes | 2445th | |
| Primes | 18985th | 19106th |
| Sexy primes (2nd member) | 4530th | |
| Ulam primes | 1364th | 1373rd |
| Roman numberals | ||
| Base 2 | 1100111100101000112 | 1101000010110111112 |
| Base 3 | 1012022222013 | 1012120112113 |
| Base 4 | 3033022034 | 3100231334 |
| Base 5 | 232420115 | 233144025 |
| Base 6 | 43140316 | 43252516 |
| Base 7 | 15423137 | 15500537 |
| Base 8 | 6362438 | 6413378 |
| Base 9 | 3528819 | 3551549 |
| Base 10 | 21213110 | 21372710 |
| Base 11 | 13541711 | 13663811 |
| Base 12 | a291712 | a382712 |
| Base 13 | 7572a13 | 7638713 |
| Base 14 | 5744314 | 57c6314 |
| Base 15 | 42cc115 | 434d715 |
| Base 16 | 33ca316 | 342df16 |