Compare 31223 vs 31231
| Property | 31223 | 31231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 312231 | 312311 |
| Prime factorization | 31223 | 31231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31223 | 1, 31231 |
| Number of properties | 7 | 4 |
| Additive primes | 1521st | |
| Cousin primes (2nd member) | 480th | |
| Emirps | 672nd | |
| Isolated primes | 2401st | 2402nd |
| Left-truncatable primes | 188th | |
| Long primes | 1276th | |
| Lucky primes | 522nd | |
| Primes | 3364th | 3365th |
| Sexy primes (1st member) | 984th | |
| Roman numberals | ||
| Base 2 | 1111001111101112 | 1111001111111112 |
| Base 3 | 11202111023 | 11202112013 |
| Base 4 | 132133134 | 132133334 |
| Base 5 | 14443435 | 14444115 |
| Base 6 | 4003156 | 4003316 |
| Base 7 | 1600137 | 1600247 |
| Base 8 | 747678 | 747778 |
| Base 9 | 467429 | 467519 |
| Base 10 | 3122310 | 3123110 |
| Base 11 | 2150511 | 2151211 |
| Base 12 | 1609b12 | 160a712 |
| Base 13 | 1129a13 | 112a513 |
| Base 14 | b54314 | b54b14 |
| Base 15 | 93b815 | 93c115 |
| Base 16 | 79f716 | 79ff16 |