Compare 990485 vs 990487
| Property | 990485 | 990487 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 1980971 | 9904871 |
| Prime factorization | 5 × 198097 | 990487 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 198097, 990485 | 1, 990487 |
| Number of properties | 1 | 5 |
| Additive primes | 29864th | |
| Isolated primes | 61602nd | |
| Lucky primes | 8542nd | |
| Primes | 77813th | |
| Semiprimes | 208132nd | |
| Super primes | 7649th | |
| Roman numberals | ||
| Base 2 | 111100011101000101012 | 111100011101000101112 |
| Base 3 | 12120222001223 | 12120222002013 |
| Base 4 | 33013101114 | 33013101134 |
| Base 5 | 2231434205 | 2231434225 |
| Base 6 | 331213256 | 331213316 |
| Base 7 | 112634667 | 112635017 |
| Base 8 | 36164258 | 36164278 |
| Base 9 | 17686189 | 17686219 |
| Base 10 | 99048510 | 99048710 |
| Base 11 | 61719111 | 61719311 |
| Base 12 | 3b924512 | 3b924712 |
| Base 13 | 288ab213 | 288ab413 |
| Base 14 | 1bad6d14 | 1bad7114 |
| Base 15 | 14872515 | 14872715 |
| Base 16 | f1d1516 | f1d1716 |