Compare 31223 vs 31397
| Property | 31223 | 31397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 312231 | 313971 |
| Prime factorization | 31223 | 31397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31223 | 1, 31397 |
| Number of properties | 7 | 8 |
| Additive primes | 1521st | 1532nd |
| Chen primes | 1615th | |
| Cousin primes (2nd member) | 480th | 485th |
| Emirps | 672nd | |
| Isolated primes | 2401st | 2416th |
| Left-truncatable primes | 188th | |
| Long primes | 1276th | |
| Primes | 3364th | 3385th |
| Prime triplets (3rd member) | 233rd | |
| Pythagorean primes | 1683rd | |
| Sexy primes (2nd member) | 991st | |
| Roman numberals | ||
| Base 2 | 1111001111101112 | 1111010101001012 |
| Base 3 | 11202111023 | 11210012123 |
| Base 4 | 132133134 | 132222114 |
| Base 5 | 14443435 | 20010425 |
| Base 6 | 4003156 | 4012056 |
| Base 7 | 1600137 | 1603527 |
| Base 8 | 747678 | 752458 |
| Base 9 | 467429 | 470559 |
| Base 10 | 3122310 | 3139710 |
| Base 11 | 2150511 | 2165311 |
| Base 12 | 1609b12 | 1620512 |
| Base 13 | 1129a13 | 113a213 |
| Base 14 | b54314 | b62914 |
| Base 15 | 93b815 | 948215 |
| Base 16 | 79f716 | 7aa516 |