Compare 31123 vs 31223
| Property | 31123 | 31223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311231 | 312231 |
| Prime factorization | 31123 | 31223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31123 | 1, 31223 |
| Number of properties | 3 | 7 |
| Additive primes | 1521st | |
| Cousin primes (2nd member) | 480th | |
| Emirps | 672nd | |
| Isolated primes | 2401st | |
| Left-truncatable primes | 188th | |
| Long primes | 1276th | |
| Primes | 3352nd | 3364th |
| Twin primes (2nd member) | 480th | |
| Ulam primes | 255th | |
| Roman numberals | ||
| Base 2 | 1111001100100112 | 1111001111101112 |
| Base 3 | 11202002013 | 11202111023 |
| Base 4 | 132121034 | 132133134 |
| Base 5 | 14434435 | 14443435 |
| Base 6 | 4000316 | 4003156 |
| Base 7 | 1565117 | 1600137 |
| Base 8 | 746238 | 747678 |
| Base 9 | 466219 | 467429 |
| Base 10 | 3112310 | 3122310 |
| Base 11 | 2142411 | 2150511 |
| Base 12 | 1601712 | 1609b12 |
| Base 13 | 1122113 | 1129a13 |
| Base 14 | b4b114 | b54314 |
| Base 15 | 934d15 | 93b815 |
| Base 16 | 799316 | 79f716 |