Compare 980905 vs 980909
| Property | 980905 | 980909 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 1961811 | 9809091 |
| Prime factorization | 5 × 196181 | 980909 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 196181, 980905 | 1, 980909 |
| Number of properties | 1 | 5 |
| Chen primes | 29472nd | |
| Emirps | 10755th | |
| Primes | 77129th | |
| Semiprimes | 206172nd | |
| Sophie germain primes | 7620th | |
| Twin primes (1st member) | 8043rd | |
| Roman numberals | ||
| Base 2 | 111011110111101010012 | 111011110111101011012 |
| Base 3 | 12112111122113 | 12112111122223 |
| Base 4 | 32331322214 | 32331322314 |
| Base 5 | 2223421105 | 2223421145 |
| Base 6 | 330051216 | 330051256 |
| Base 7 | 112235327 | 112235367 |
| Base 8 | 35736518 | 35736558 |
| Base 9 | 17544849 | 17544889 |
| Base 10 | 98090510 | 98090910 |
| Base 11 | 60aa7211 | 60aa7611 |
| Base 12 | 3b37a112 | 3b37a512 |
| Base 13 | 28462313 | 28462713 |
| Base 14 | 1b768914 | 1b768d14 |
| Base 15 | 14598a15 | 14598e15 |
| Base 16 | ef7a916 | ef7ad16 |