Compare 638977 vs 639493
| Property | 638977 | 639493 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6389771 | 6394931 |
| Prime factorization | 638977 | 639493 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638977 | 1, 639493 |
| Number of properties | 5 | 5 |
| Isolated primes | 40753rd | |
| Lucky primes | 5967th | 5974th |
| Primes | 52000th | 52036th |
| Prime triplets (3rd member) | 2060th | |
| Proth primes | 194th | |
| Sexy primes (2nd member) | 11267th | 11276th |
| Twin primes (2nd member) | 5627th | |
| Roman numberals | ||
| Base 2 | 100111000000000000012 | 100111000010000001012 |
| Base 3 | 10121101112113 | 10121110122213 |
| Base 4 | 21300000014 | 21300200114 |
| Base 5 | 1304214025 | 1304304335 |
| Base 6 | 214101216 | 214123416 |
| Base 7 | 53006237 | 53022617 |
| Base 8 | 23400018 | 23410058 |
| Base 9 | 11734549 | 11741879 |
| Base 10 | 63897710 | 63949310 |
| Base 11 | 3a708911 | 3a750811 |
| Base 12 | 26994112 | 26a0b112 |
| Base 13 | 194ac113 | 1950ca13 |
| Base 14 | 128c1314 | 1290a114 |
| Base 15 | c94d715 | c972d15 |
| Base 16 | 9c00116 | 9c20516 |