Compare 31218 vs 31223
| Property | 31218 | 31223 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 21 × 31 × 112 × 431 | 312231 |
| Prime factorization | 2 × 3 × 11 × 11 × 43 | 31223 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 726, 946, 1419, 2838, 5203, 10406, 15609, 31218 | 1, 31223 |
| Number of properties | 0 | 7 |
| Additive primes | 1521st | |
| Cousin primes (2nd member) | 480th | |
| Emirps | 672nd | |
| Isolated primes | 2401st | |
| Left-truncatable primes | 188th | |
| Long primes | 1276th | |
| Primes | 3364th | |
| Roman numberals | ||
| Base 2 | 1111001111100102 | 1111001111101112 |
| Base 3 | 11202110203 | 11202111023 |
| Base 4 | 132133024 | 132133134 |
| Base 5 | 14443335 | 14443435 |
| Base 6 | 4003106 | 4003156 |
| Base 7 | 1600057 | 1600137 |
| Base 8 | 747628 | 747678 |
| Base 9 | 467369 | 467429 |
| Base 10 | 3121810 | 3122310 |
| Base 11 | 2150011 | 2150511 |
| Base 12 | 1609612 | 1609b12 |
| Base 13 | 1129513 | 1129a13 |
| Base 14 | b53c14 | b54314 |
| Base 15 | 93b315 | 93b815 |
| Base 16 | 79f216 | 79f716 |