Compare 640469 vs 640477
| Property | 640469 | 640477 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 471 × 136271 | 6404771 |
| Prime factorization | 47 × 13627 | 640477 |
| Divisors count | 4 | 2 |
| Divisors | 1, 47, 13627, 640469 | 1, 640477 |
| Number of properties | 1 | 3 |
| Isolated primes | 40841st | |
| Primes | 52112th | |
| Semiprimes | 137236th | |
| Sexy primes (1st member) | 11291st | |
| Roman numberals | ||
| Base 2 | 100111000101110101012 | 100111000101110111012 |
| Base 3 | 10121121200023 | 10121121201013 |
| Base 4 | 21301131114 | 21301131314 |
| Base 5 | 1304433345 | 1304434025 |
| Base 6 | 214210456 | 214211016 |
| Base 7 | 53051547 | 53051657 |
| Base 8 | 23427258 | 23427358 |
| Base 9 | 11755029 | 11755119 |
| Base 10 | 64046910 | 64047710 |
| Base 11 | 3a821511 | 3a822211 |
| Base 12 | 26a78512 | 26a79112 |
| Base 13 | 19569b13 | 1956a613 |
| Base 14 | 12959b14 | 1295a514 |
| Base 15 | c9b7e15 | c9b8715 |
| Base 16 | 9c5d516 | 9c5dd16 |