Compare 21001 vs 21002
Property | 21001 | 21002 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 210011 | 21 × 105011 |
Prime factorization | 21001 | 2 × 10501 |
Divisors count | 2 | 4 |
Divisors | 1, 21001 | 1, 2, 10501, 21002 |
Number of properties | 5 | 1 |
Chen primes | 1162nd | |
Harmonic primes | 867th | |
Isolated primes | 1648th | |
Primes | 2361st | |
Pythagorean primes | 1173rd | |
Semiprimes | 5328th | |
Roman numberals | ||
Base 2 | 1010010000010012 | 1010010000010102 |
Base 3 | 10012102113 | 10012102123 |
Base 4 | 110200214 | 110200224 |
Base 5 | 11330015 | 11330025 |
Base 6 | 2411216 | 2411226 |
Base 7 | 1151417 | 1151427 |
Base 8 | 510118 | 510128 |
Base 9 | 317249 | 317259 |
Base 10 | 2100110 | 2100210 |
Base 11 | 1486211 | 1486311 |
Base 12 | 101a112 | 101a212 |
Base 13 | 973613 | 973713 |
Base 14 | 792114 | 792214 |
Base 15 | 635115 | 635215 |
Base 16 | 520916 | 520a16 |