Compare 20021 vs 20639
| Property | 20021 | 20639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 200211 | 206391 |
| Prime factorization | 20021 | 20639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20021 | 1, 20639 |
| Number of properties | 6 | 4 |
| Additive primes | 1051st | |
| Chen primes | 1113th | 1143rd |
| Happy primes | 384th | |
| Harmonic primes | 822nd | |
| Primes | 2264th | 2326th |
| Pythagorean primes | 1126th | |
| Twin primes (1st member) | 343rd | 351st |
| Roman numberals | ||
| Base 2 | 1001110001101012 | 1010000100111112 |
| Base 3 | 10001101123 | 10010221023 |
| Base 4 | 103203114 | 110021334 |
| Base 5 | 11200415 | 11300245 |
| Base 6 | 2324056 | 2353156 |
| Base 7 | 1122417 | 1141137 |
| Base 8 | 470658 | 502378 |
| Base 9 | 304159 | 312729 |
| Base 10 | 2002110 | 2063910 |
| Base 11 | 1405111 | 1456311 |
| Base 12 | b70512 | bb3b12 |
| Base 13 | 916113 | 951813 |
| Base 14 | 742114 | 774314 |
| Base 15 | 5deb15 | 61ae15 |
| Base 16 | 4e3516 | 509f16 |