Compare 639997 vs 641143
| Property | 639997 | 641143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399971 | 6411431 |
| Prime factorization | 639997 | 641143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639997 | 1, 641143 |
| Number of properties | 4 | 5 |
| Additive primes | 20349th | 20387th |
| Happy primes | 7423rd | |
| Isolated primes | 40813th | 40884th |
| Lucky primes | 5977th | 5984th |
| Primes | 52074th | 52161st |
| Roman numberals | ||
| Base 2 | 100111000011111111012 | 100111001000011101112 |
| Base 3 | 10121112201213 | 10121201110013 |
| Base 4 | 21300333314 | 21302013134 |
| Base 5 | 1304344425 | 1310040335 |
| Base 6 | 214145416 | 214241316 |
| Base 7 | 53036117 | 53101367 |
| Base 8 | 23417758 | 23441678 |
| Base 9 | 11748179 | 11764319 |
| Base 10 | 63999710 | 64114310 |
| Base 11 | 3a792611 | 3a877811 |
| Base 12 | 26a45112 | 26b04712 |
| Base 13 | 1953c713 | 195a9913 |
| Base 14 | 12934114 | 12991d14 |
| Base 15 | c996715 | c9e7d15 |
| Base 16 | 9c3fd16 | 9c87716 |