Compare 212123 vs 212987
| Property | 212123 | 212987 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2121231 | 2129871 |
| Prime factorization | 212123 | 212987 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212123 | 1, 212987 |
| Number of properties | 6 | 6 |
| Additive primes | 7663rd | 7693rd |
| Chen primes | 7955th | |
| Happy primes | 2888th | 2896th |
| Isolated primes | 14441st | 14496th |
| Primes | 18984th | 19045th |
| Sexy primes (2nd member) | 4502nd | 4518th |
| Sophie germain primes | 2160th | |
| Roman numberals | ||
| Base 2 | 1100111100100110112 | 1100111111111110112 |
| Base 3 | 1012022221023 | 1012110111023 |
| Base 4 | 3033021234 | 3033333234 |
| Base 5 | 232414435 | 233034225 |
| Base 6 | 43140156 | 43220156 |
| Base 7 | 15423027 | 15446457 |
| Base 8 | 6362338 | 6377738 |
| Base 9 | 3528729 | 3541429 |
| Base 10 | 21212310 | 21298710 |
| Base 11 | 13540a11 | 13602511 |
| Base 12 | a290b12 | a330b12 |
| Base 13 | 7572213 | 75c3813 |
| Base 14 | 5743914 | 5789514 |
| Base 15 | 42cb815 | 4319215 |
| Base 16 | 33c9b16 | 33ffb16 |