Compare 20921 vs 20939
Property | 20921 | 20939 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 209211 | 209391 |
Prime factorization | 20921 | 20939 |
Divisors count | 2 | 2 |
Divisors | 1, 20921 | 1, 20939 |
Number of properties | 5 | 7 |
Additive primes | 1093rd | |
Chen primes | 1159th | |
Harmonic primes | 864th | |
Isolated primes | 1642nd | 1644th |
Long primes | 895th | |
Primes | 2353rd | 2355th |
Pythagorean primes | 1170th | |
Sophie germain primes | 339th | 340th |
Ulam primes | 176th | |
Roman numberals | ||
Base 2 | 1010001101110012 | 1010001110010112 |
Base 3 | 10012002123 | 10012011123 |
Base 4 | 110123214 | 110130234 |
Base 5 | 11321415 | 11322245 |
Base 6 | 2405056 | 2405356 |
Base 7 | 1146657 | 1150227 |
Base 8 | 506718 | 507138 |
Base 9 | 316259 | 316459 |
Base 10 | 2092110 | 2093910 |
Base 11 | 1479a11 | 1480611 |
Base 12 | 1013512 | 1014b12 |
Base 13 | 96a413 | 96b913 |
Base 14 | 78a514 | 78b914 |
Base 15 | 62eb15 | 630e15 |
Base 16 | 51b916 | 51cb16 |