Compare 20639 vs 21059
| Property | 20639 | 21059 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 210591 |
| Prime factorization | 20639 | 21059 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 21059 |
| Number of properties | 4 | 7 |
| Additive primes | 1099th | |
| Chen primes | 1143rd | 1165th |
| Happy primes | 384th | |
| Harmonic primes | 870th | |
| Long primes | 901st | |
| Primes | 2326th | 2368th |
| Safe primes | 198th | |
| Twin primes (1st member) | 351st | 360th |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010010010000112 |
| Base 3 | 10010221023 | 10012122223 |
| Base 4 | 110021334 | 110210034 |
| Base 5 | 11300245 | 11332145 |
| Base 6 | 2353156 | 2412556 |
| Base 7 | 1141137 | 1152537 |
| Base 8 | 502378 | 511038 |
| Base 9 | 312729 | 317889 |
| Base 10 | 2063910 | 2105910 |
| Base 11 | 1456311 | 1490511 |
| Base 12 | bb3b12 | 1022b12 |
| Base 13 | 951813 | 977c13 |
| Base 14 | 774314 | 796314 |
| Base 15 | 61ae15 | 638e15 |
| Base 16 | 509f16 | 524316 |