Compare 213131 vs 213281
| Property | 213131 | 213281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2131311 | 2132811 |
| Prime factorization | 213131 | 213281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 213131 | 1, 213281 |
| Number of properties | 5 | 7 |
| Additive primes | 7699th | 7710th |
| Chen primes | 7959th | 7963rd |
| Isolated primes | 14520th | |
| Long primes | 7123rd | |
| Primes | 19056th | 19071st |
| Pythagorean primes | 9521st | |
| Sexy primes (1st member) | 4526th | |
| Sophie germain primes | 2169th | |
| Twin primes (1st member) | 2276th | |
| Roman numberals | ||
| Base 2 | 1101000000100010112 | 1101000001001000012 |
| Base 3 | 1012111002023 | 1012111200223 |
| Base 4 | 3100020234 | 3100102014 |
| Base 5 | 233100115 | 233111115 |
| Base 6 | 43224156 | 43232256 |
| Base 7 | 15452427 | 15455457 |
| Base 8 | 6402138 | 6404418 |
| Base 9 | 3543229 | 3545089 |
| Base 10 | 21313110 | 21328110 |
| Base 11 | 13614611 | 13627211 |
| Base 12 | a340b12 | a351512 |
| Base 13 | 7601913 | 7610313 |
| Base 14 | 5795914 | 57a2514 |
| Base 15 | 4323b15 | 432db15 |
| Base 16 | 3408b16 | 3412116 |