Compare 20993 vs 21001
Property | 20993 | 21001 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 71 × 29991 | 210011 |
Prime factorization | 7 × 2999 | 21001 |
Divisors count | 4 | 2 |
Divisors | 1, 7, 2999, 20993 | 1, 21001 |
Number of properties | 1 | 5 |
Chen primes | 1162nd | |
Harmonic primes | 867th | |
Isolated primes | 1648th | |
Primes | 2361st | |
Pythagorean primes | 1173rd | |
Semiprimes | 5326th | |
Roman numberals | ||
Base 2 | 1010010000000012 | 1010010000010012 |
Base 3 | 10012101123 | 10012102113 |
Base 4 | 110200014 | 110200214 |
Base 5 | 11324335 | 11330015 |
Base 6 | 2411056 | 2411216 |
Base 7 | 1151307 | 1151417 |
Base 8 | 510018 | 510118 |
Base 9 | 317159 | 317249 |
Base 10 | 2099310 | 2100110 |
Base 11 | 1485511 | 1486211 |
Base 12 | 1019512 | 101a112 |
Base 13 | 972b13 | 973613 |
Base 14 | 791714 | 792114 |
Base 15 | 634815 | 635115 |
Base 16 | 520116 | 520916 |