Compare 639157 vs 639165
| Property | 639157 | 639165 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6391571 | 31 × 51 × 426111 |
| Prime factorization | 639157 | 3 × 5 × 42611 |
| Divisors count | 2 | 8 |
| Divisors | 1, 639157 | 1, 3, 5, 15, 42611, 127833, 213055, 639165 |
| Number of properties | 5 | 0 |
| Additive primes | 20329th | |
| Isolated primes | 40766th | |
| Lucky primes | 5969th | |
| Primes | 52013th | |
| Sexy primes (2nd member) | 11271st | |
| Roman numberals | ||
| Base 2 | 100111000000101101012 | 100111000000101111012 |
| Base 3 | 10121102021113 | 10121102022103 |
| Base 4 | 21300023114 | 21300023314 |
| Base 5 | 1304231125 | 1304231305 |
| Base 6 | 214110216 | 214110336 |
| Base 7 | 53013017 | 53013127 |
| Base 8 | 23402658 | 23402758 |
| Base 9 | 11736749 | 11736839 |
| Base 10 | 63915710 | 63916510 |
| Base 11 | 3a723211 | 3a723a11 |
| Base 12 | 269a7112 | 269a7912 |
| Base 13 | 194bcc13 | 194c0713 |
| Base 14 | 128d0114 | 128d0914 |
| Base 15 | c95a715 | c95b015 |
| Base 16 | 9c0b516 | 9c0bd16 |