Compare 202639 vs 202645
| Property | 202639 | 202645 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2026391 | 51 × 405291 |
| Prime factorization | 202639 | 5 × 40529 |
| Divisors count | 2 | 4 |
| Divisors | 1, 202639 | 1, 5, 40529, 202645 |
| Number of properties | 4 | 1 |
| Chen primes | 7607th | |
| Harmonic primes | 6830th | |
| Primes | 18196th | |
| Semiprimes | 45808th | |
| Twin primes (2nd member) | 2177th | |
| Roman numberals | ||
| Base 2 | 1100010111100011112 | 1100010111100101012 |
| Base 3 | 1010212220113 | 1010212221013 |
| Base 4 | 3011320334 | 3011321114 |
| Base 5 | 224410245 | 224410405 |
| Base 6 | 42020516 | 42021016 |
| Base 7 | 15025337 | 15025427 |
| Base 8 | 6136178 | 6136258 |
| Base 9 | 3378649 | 3378719 |
| Base 10 | 20263910 | 20264510 |
| Base 11 | 12927811 | 12928311 |
| Base 12 | 9932712 | 9933112 |
| Base 13 | 7130813 | 7131113 |
| Base 14 | 53bc314 | 53bc914 |
| Base 15 | 4009415 | 4009a15 |
| Base 16 | 3178f16 | 3179516 |