Compare 818990 vs 819001
| Property | 818990 | 819001 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 818991 | 8190011 |
| Prime factorization | 2 × 5 × 81899 | 819001 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 81899, 163798, 409495, 818990 | 1, 819001 |
| Number of properties | 0 | 5 |
| Additive primes | 25252nd | |
| Chen primes | 25240th | |
| Lucky primes | 7306th | |
| Primes | 65334th | |
| Twin primes (2nd member) | 6882nd | |
| Roman numberals | ||
| Base 2 | 110001111111001011102 | 110001111111001110012 |
| Base 3 | 11121211022223 | 11121211101013 |
| Base 4 | 30133302324 | 30133303214 |
| Base 5 | 2022014305 | 2022020015 |
| Base 6 | 253153426 | 253154016 |
| Base 7 | 66505047 | 66505217 |
| Base 8 | 30774568 | 30774718 |
| Base 9 | 14773889 | 14774119 |
| Base 10 | 81899010 | 81900110 |
| Base 11 | 50a35711 | 50a36711 |
| Base 12 | 335b5212 | 335b6112 |
| Base 13 | 228a1313 | 228a2113 |
| Base 14 | 17467414 | 17468114 |
| Base 15 | 1129e515 | 112a0115 |
| Base 16 | c7f2e16 | c7f3916 |