Compare 639493 vs 639505
| Property | 639493 | 639505 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6394931 | 51 × 791 × 16191 |
| Prime factorization | 639493 | 5 × 79 × 1619 |
| Divisors count | 2 | 8 |
| Divisors | 1, 639493 | 1, 5, 79, 395, 1619, 8095, 127901, 639505 |
| Number of properties | 5 | 0 |
| Lucky primes | 5974th | |
| Primes | 52036th | |
| Prime triplets (3rd member) | 2060th | |
| Sexy primes (2nd member) | 11276th | |
| Twin primes (2nd member) | 5627th | |
| Roman numberals | ||
| Base 2 | 100111000010000001012 | 100111000010000100012 |
| Base 3 | 10121110122213 | 10121110201013 |
| Base 4 | 21300200114 | 21300201014 |
| Base 5 | 1304304335 | 1304310105 |
| Base 6 | 214123416 | 214124016 |
| Base 7 | 53022617 | 53023067 |
| Base 8 | 23410058 | 23410218 |
| Base 9 | 11741879 | 11742119 |
| Base 10 | 63949310 | 63950510 |
| Base 11 | 3a750811 | 3a751911 |
| Base 12 | 26a0b112 | 26a10112 |
| Base 13 | 1950ca13 | 19510913 |
| Base 14 | 1290a114 | 1290ad14 |
| Base 15 | c972d15 | c973a15 |
| Base 16 | 9c20516 | 9c21116 |