Compare 212987 vs 213131
| Property | 212987 | 213131 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2129871 | 2131311 |
| Prime factorization | 212987 | 213131 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212987 | 1, 213131 |
| Number of properties | 6 | 5 |
| Additive primes | 7693rd | 7699th |
| Chen primes | 7955th | 7959th |
| Happy primes | 2896th | |
| Isolated primes | 14496th | |
| Long primes | 7123rd | |
| Primes | 19045th | 19056th |
| Sexy primes (2nd member) | 4518th | |
| Twin primes (1st member) | 2276th | |
| Roman numberals | ||
| Base 2 | 1100111111111110112 | 1101000000100010112 |
| Base 3 | 1012110111023 | 1012111002023 |
| Base 4 | 3033333234 | 3100020234 |
| Base 5 | 233034225 | 233100115 |
| Base 6 | 43220156 | 43224156 |
| Base 7 | 15446457 | 15452427 |
| Base 8 | 6377738 | 6402138 |
| Base 9 | 3541429 | 3543229 |
| Base 10 | 21298710 | 21313110 |
| Base 11 | 13602511 | 13614611 |
| Base 12 | a330b12 | a340b12 |
| Base 13 | 75c3813 | 7601913 |
| Base 14 | 5789514 | 5795914 |
| Base 15 | 4319215 | 4323b15 |
| Base 16 | 33ffb16 | 3408b16 |