Compare 645002 vs 645011
| Property | 645002 | 645011 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 3225011 | 6450111 |
| Prime factorization | 2 × 322501 | 645011 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 322501, 645002 | 1, 645011 |
| Number of properties | 1 | 5 |
| Additive primes | 20502nd | |
| Chen primes | 20515th | |
| Happy primes | 7470th | |
| Primes | 52447th | |
| Semiprimes | 138167th | |
| Twin primes (1st member) | 5670th | |
| Roman numberals | ||
| Base 2 | 100111010111100010102 | 100111010111100100112 |
| Base 3 | 10122022022223 | 10122022100223 |
| Base 4 | 21311320224 | 21311321034 |
| Base 5 | 1311200025 | 1311200215 |
| Base 6 | 214540426 | 214540556 |
| Base 7 | 53243217 | 53243337 |
| Base 8 | 23536128 | 23536238 |
| Base 9 | 11826889 | 11827089 |
| Base 10 | 64500210 | 64501110 |
| Base 11 | 40066611 | 40067411 |
| Base 12 | 27132212 | 27132b12 |
| Base 13 | 19777713 | 19778313 |
| Base 14 | 12b0b814 | 12b0c314 |
| Base 15 | cb1a215 | cb1ab15 |
| Base 16 | 9d78a16 | 9d79316 |