Compare 640109 vs 640139
| Property | 640109 | 640139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401091 | 6401391 |
| Prime factorization | 640109 | 640139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640109 | 1, 640139 |
| Number of properties | 3 | 4 |
| Additive primes | 20356th | |
| Chen primes | 20381st | 20383rd |
| Isolated primes | 40822nd | 40825th |
| Primes | 52085th | 52088th |
| Roman numberals | ||
| Base 2 | 100111000100011011012 | 100111000100100010112 |
| Base 3 | 10121120012023 | 10121120022123 |
| Base 4 | 21301012314 | 21301020234 |
| Base 5 | 1304404145 | 1304410245 |
| Base 6 | 214152456 | 214153356 |
| Base 7 | 53041317 | 53042037 |
| Base 8 | 23421558 | 23422138 |
| Base 9 | 11750529 | 11750859 |
| Base 10 | 64010910 | 64013910 |
| Base 11 | 3a7a1811 | 3a7a4511 |
| Base 12 | 26a52512 | 26a54b12 |
| Base 13 | 19548213 | 1954a613 |
| Base 14 | 1293c114 | 12940314 |
| Base 15 | c99de15 | c9a0e15 |
| Base 16 | 9c46d16 | 9c48b16 |