Compare 212987 vs 213407
| Property | 212987 | 213407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2129871 | 2134071 |
| Prime factorization | 212987 | 213407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212987 | 1, 213407 |
| Number of properties | 6 | 7 |
| Additive primes | 7693rd | 7716th |
| Chen primes | 7955th | |
| Happy primes | 2896th | 2902nd |
| Harmonic primes | 7149th | |
| Isolated primes | 14496th | 14529th |
| Long primes | 7135th | |
| Primes | 19045th | 19084th |
| Safe primes | 1241st | |
| Sexy primes (2nd member) | 4518th | |
| Roman numberals | ||
| Base 2 | 1100111111111110112 | 1101000001100111112 |
| Base 3 | 1012110111023 | 1012112012223 |
| Base 4 | 3033333234 | 3100121334 |
| Base 5 | 233034225 | 233121125 |
| Base 6 | 43220156 | 43235556 |
| Base 7 | 15446457 | 15461157 |
| Base 8 | 6377738 | 6406378 |
| Base 9 | 3541429 | 3546589 |
| Base 10 | 21298710 | 21340710 |
| Base 11 | 13602511 | 13637711 |
| Base 12 | a330b12 | a35bb12 |
| Base 13 | 75c3813 | 7619c13 |
| Base 14 | 5789514 | 57ab514 |
| Base 15 | 4319215 | 4337215 |
| Base 16 | 33ffb16 | 3419f16 |