Compare 639997 vs 641491
| Property | 639997 | 641491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399971 | 6414911 |
| Prime factorization | 639997 | 641491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639997 | 1, 641491 |
| Number of properties | 4 | 3 |
| Additive primes | 20349th | |
| Isolated primes | 40813th | 40906th |
| Lucky primes | 5977th | 5989th |
| Primes | 52074th | 52185th |
| Roman numberals | ||
| Base 2 | 100111000011111111012 | 100111001001110100112 |
| Base 3 | 10121112201213 | 10121202212213 |
| Base 4 | 21300333314 | 21302131034 |
| Base 5 | 1304344425 | 1310114315 |
| Base 6 | 214145416 | 214255116 |
| Base 7 | 53036117 | 53111447 |
| Base 8 | 23417758 | 23447238 |
| Base 9 | 11748179 | 11768579 |
| Base 10 | 63999710 | 64149110 |
| Base 11 | 3a792611 | 3a8a6411 |
| Base 12 | 26a45112 | 26b29712 |
| Base 13 | 1953c713 | 195ca613 |
| Base 14 | 12934114 | 129acb14 |
| Base 15 | c996715 | ca11115 |
| Base 16 | 9c3fd16 | 9c9d316 |