Compare 31212 vs 31223
| Property | 31212 | 31223 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 33 × 172 | 312231 |
| Prime factorization | 2 × 2 × 3 × 3 × 3 × 17 × 17 | 31223 |
| Divisors count | 36 | 2 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 289, 306, 459, 578, 612, 867, 918, 1156, 1734, 1836, 2601, 3468, 5202, 7803, 10404, 15606, 31212 | 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 | 1111001111011002 | 1111001111101112 |
| Base 3 | 11202110003 | 11202111023 |
| Base 4 | 132132304 | 132133134 |
| Base 5 | 14443225 | 14443435 |
| Base 6 | 4003006 | 4003156 |
| Base 7 | 1566667 | 1600137 |
| Base 8 | 747548 | 747678 |
| Base 9 | 467309 | 467429 |
| Base 10 | 3121210 | 3122310 |
| Base 11 | 214a511 | 2150511 |
| Base 12 | 1609012 | 1609b12 |
| Base 13 | 1128c13 | 1129a13 |
| Base 14 | b53614 | b54314 |
| Base 15 | 93ac15 | 93b815 |
| Base 16 | 79ec16 | 79f716 |