Compare 21370 vs 21379
| Property | 21370 | 21379 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 21371 | 213791 |
| Prime factorization | 2 × 5 × 2137 | 21379 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 2137, 4274, 10685, 21370 | 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 | 1010011011110102 | 1010011100000112 |
| Base 3 | 10020221113 | 10020222113 |
| Base 4 | 110313224 | 110320034 |
| Base 5 | 11404405 | 11410045 |
| Base 6 | 2425346 | 2425516 |
| Base 7 | 1162067 | 1162217 |
| Base 8 | 515728 | 516038 |
| Base 9 | 322749 | 322849 |
| Base 10 | 2137010 | 2137910 |
| Base 11 | 1506811 | 1507611 |
| Base 12 | 1044a12 | 1045712 |
| Base 13 | 995b13 | 996713 |
| Base 14 | 7b0614 | 7b1114 |
| Base 15 | 64ea15 | 650415 |
| Base 16 | 537a16 | 538316 |