Compare 491421 vs 491423
| Property | 491421 | 491423 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 31 × 72 × 33431 | 4914231 |
| Prime factorization | 3 × 7 × 7 × 3343 | 491423 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 7, 21, 49, 147, 3343, 10029, 23401, 70203, 163807, 491421 | 1, 491423 |
| Number of properties | 0 | 8 |
| Additive primes | 16056th | |
| Isolated primes | 31871st | |
| Primes | 40876th | |
| Safe primes | 2433rd | |
| Sexy primes (1st member) | 9038th | |
| Sexy primes (2nd member) | 9037th | |
| Sexy prime triplets (2nd member) | 1705th | |
| Sophie germain primes | 4266th | |
| Roman numberals | ||
| Base 2 | 11101111111100111012 | 11101111111100111112 |
| Base 3 | 2202220022103 | 2202220022123 |
| Base 4 | 13133321314 | 13133321334 |
| Base 5 | 1112111415 | 1112111435 |
| Base 6 | 143110336 | 143110356 |
| Base 7 | 41145007 | 41145027 |
| Base 8 | 16776358 | 16776378 |
| Base 9 | 8280839 | 8280859 |
| Base 10 | 49142110 | 49142310 |
| Base 11 | 30623711 | 30623911 |
| Base 12 | 1b847912 | 1b847b12 |
| Base 13 | 1428a813 | 1428aa13 |
| Base 14 | cb13714 | cb13914 |
| Base 15 | 9a91615 | 9a91815 |
| Base 16 | 77f9d16 | 77f9f16 |