Compare 121487 vs 121490
| Property | 121487 | 121490 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1214871 | 21 × 51 × 121491 |
| Prime factorization | 121487 | 2 × 5 × 12149 |
| Divisors count | 2 | 8 |
| Divisors | 1, 121487 | 1, 2, 5, 10, 12149, 24298, 60745, 121490 |
| Number of properties | 6 | 0 |
| Additive primes | 4704th | |
| Chen primes | 4958th | |
| Isolated primes | 8562nd | |
| Long primes | 4284th | |
| Primes | 11433rd | |
| Sexy primes (1st member) | 2859th | |
| Roman numberals | ||
| Base 2 | 111011010100011112 | 111011010100100102 |
| Base 3 | 200111221123 | 200111221223 |
| Base 4 | 1312220334 | 1312221024 |
| Base 5 | 123414225 | 123414305 |
| Base 6 | 23342356 | 23342426 |
| Base 7 | 10141227 | 10141257 |
| Base 8 | 3552178 | 3552228 |
| Base 9 | 2045759 | 2045789 |
| Base 10 | 12148710 | 12149010 |
| Base 11 | 8330311 | 8330611 |
| Base 12 | 5a37b12 | 5a38212 |
| Base 13 | 433b213 | 433b513 |
| Base 14 | 323b914 | 323bc14 |
| Base 15 | 25ee215 | 25ee515 |
| Base 16 | 1da8f16 | 1da9216 |