Compare 21375 vs 21379
| Property | 21375 | 21379 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 32 × 53 × 191 | 213791 |
| Prime factorization | 3 × 3 × 5 × 5 × 5 × 19 | 21379 |
| Divisors count | 24 | 2 |
| Divisors | 1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 1125, 1425, 2375, 4275, 7125, 21375 | 1, 21379 |
| Number of properties | 0 | 7 |
| Chen primes | 1178th | |
| Cousin primes (1st member) | 364th | |
| Harmonic primes | 880th | |
| Primes | 2399th | |
| Prime triplets (2nd member) | 181st | |
| Super primes | 357th | |
| Twin primes (2nd member) | 363rd | |
| Roman numberals | ||
| Base 2 | 1010011011111112 | 1010011100000112 |
| Base 3 | 10020222003 | 10020222113 |
| Base 4 | 110313334 | 110320034 |
| Base 5 | 11410005 | 11410045 |
| Base 6 | 2425436 | 2425516 |
| Base 7 | 1162147 | 1162217 |
| Base 8 | 515778 | 516038 |
| Base 9 | 322809 | 322849 |
| Base 10 | 2137510 | 2137910 |
| Base 11 | 1507211 | 1507611 |
| Base 12 | 1045312 | 1045712 |
| Base 13 | 996313 | 996713 |
| Base 14 | 7b0b14 | 7b1114 |
| Base 15 | 650015 | 650415 |
| Base 16 | 537f16 | 538316 |