Compare 639993 vs 639997
| Property | 639993 | 639997 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 3831 × 5571 | 6399971 |
| Prime factorization | 3 × 383 × 557 | 639997 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 383, 557, 1149, 1671, 213331, 639993 | 1, 639997 |
| Number of properties | 0 | 4 |
| Additive primes | 20349th | |
| Isolated primes | 40813th | |
| Lucky primes | 5977th | |
| Primes | 52074th | |
| Roman numberals | ||
| Base 2 | 100111000011111110012 | 100111000011111111012 |
| Base 3 | 10121112201103 | 10121112201213 |
| Base 4 | 21300333214 | 21300333314 |
| Base 5 | 1304344335 | 1304344425 |
| Base 6 | 214145336 | 214145416 |
| Base 7 | 53036047 | 53036117 |
| Base 8 | 23417718 | 23417758 |
| Base 9 | 11748139 | 11748179 |
| Base 10 | 63999310 | 63999710 |
| Base 11 | 3a792211 | 3a792611 |
| Base 12 | 26a44912 | 26a45112 |
| Base 13 | 1953c313 | 1953c713 |
| Base 14 | 12933b14 | 12934114 |
| Base 15 | c996315 | c996715 |
| Base 16 | 9c3f916 | 9c3fd16 |