Compare 620639 vs 620645
| Property | 620639 | 620645 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6206391 | 51 × 1011 × 12291 |
| Prime factorization | 620639 | 5 × 101 × 1229 |
| Divisors count | 2 | 8 |
| Divisors | 1, 620639 | 1, 5, 101, 505, 1229, 6145, 124129, 620645 |
| Number of properties | 3 | 0 |
| Chen primes | 19854th | |
| Isolated primes | 39698th | |
| Primes | 50661st | |
| Roman numberals | ||
| Base 2 | 100101111000010111112 | 100101111000011001012 |
| Base 3 | 10111121001223 | 10111121002123 |
| Base 4 | 21132011334 | 21132012114 |
| Base 5 | 1243300245 | 1243300405 |
| Base 6 | 211451556 | 211452056 |
| Base 7 | 51633057 | 51633147 |
| Base 8 | 22741378 | 22741458 |
| Base 9 | 11453189 | 11453259 |
| Base 10 | 62063910 | 62064510 |
| Base 11 | 39432811 | 39433311 |
| Base 12 | 25b1bb12 | 25b20512 |
| Base 13 | 18965613 | 18965c13 |
| Base 14 | 12227514 | 12227b14 |
| Base 15 | c3d5e15 | c3d6515 |
| Base 16 | 9785f16 | 9786516 |