Compare 20921 vs 20927
Property | 20921 | 20927 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 209211 | 171 × 12311 |
Prime factorization | 20921 | 17 × 1231 |
Divisors count | 2 | 4 |
Divisors | 1, 20921 | 1, 17, 1231, 20927 |
Number of properties | 5 | 1 |
Harmonic primes | 864th | |
Isolated primes | 1642nd | |
Primes | 2353rd | |
Pythagorean primes | 1170th | |
Semiprimes | 5311th | |
Sophie germain primes | 339th | |
Roman numberals | ||
Base 2 | 1010001101110012 | 1010001101111112 |
Base 3 | 10012002123 | 10012010023 |
Base 4 | 110123214 | 110123334 |
Base 5 | 11321415 | 11322025 |
Base 6 | 2405056 | 2405156 |
Base 7 | 1146657 | 1150047 |
Base 8 | 506718 | 506778 |
Base 9 | 316259 | 316329 |
Base 10 | 2092110 | 2092710 |
Base 11 | 1479a11 | 147a511 |
Base 12 | 1013512 | 1013b12 |
Base 13 | 96a413 | 96aa13 |
Base 14 | 78a514 | 78ab14 |
Base 15 | 62eb15 | 630215 |
Base 16 | 51b916 | 51bf16 |