Compare 21310 vs 21313
| Property | 21310 | 21313 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 21311 | 213131 |
| Prime factorization | 2 × 5 × 2131 | 21313 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 2131, 4262, 10655, 21310 | 1, 21313 |
| Number of properties | 0 | 7 |
| Cousin primes (1st member) | 362nd | |
| Good primes | 267th | |
| Isolated primes | 1671st | |
| Primes | 2392nd | |
| Prime triplets (1st member) | 179th | |
| Pythagorean primes | 1187th | |
| Sexy primes (1st member) | 725th | |
| Roman numberals | ||
| Base 2 | 1010011001111102 | 1010011010000012 |
| Base 3 | 10020200213 | 10020201013 |
| Base 4 | 110303324 | 110310014 |
| Base 5 | 11402205 | 11402235 |
| Base 6 | 2423546 | 2424016 |
| Base 7 | 1160627 | 1160657 |
| Base 8 | 514768 | 515018 |
| Base 9 | 322079 | 322119 |
| Base 10 | 2131010 | 2131310 |
| Base 11 | 1501311 | 1501611 |
| Base 12 | 103ba12 | 1040112 |
| Base 13 | 991313 | 991613 |
| Base 14 | 7aa214 | 7aa514 |
| Base 15 | 64aa15 | 64ad15 |
| Base 16 | 533e16 | 534116 |