Compare 987983 vs 987990
| Property | 987983 | 987990 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 9879831 | 21 × 31 × 51 × 329331 |
| Prime factorization | 987983 | 2 × 3 × 5 × 32933 |
| Divisors count | 2 | 16 |
| Divisors | 1, 987983 | 1, 2, 3, 5, 6, 10, 15, 30, 32933, 65866, 98799, 164665, 197598, 329330, 493995, 987990 |
| Number of properties | 4 | 0 |
| Chen primes | 29647th | |
| Cousin primes (2nd member) | 8075th | |
| Isolated primes | 61457th | |
| Primes | 77632nd | |
| Roman numberals | ||
| Base 2 | 111100010011010011112 | 111100010011010101102 |
| Base 3 | 12120120202223 | 12120120210203 |
| Base 4 | 33010310334 | 33010311124 |
| Base 5 | 2231034135 | 2231034305 |
| Base 6 | 331015556 | 331020106 |
| Base 7 | 112532637 | 112533037 |
| Base 8 | 36115178 | 36115268 |
| Base 9 | 17652289 | 17652369 |
| Base 10 | 98798310 | 98799010 |
| Base 11 | 61531711 | 61532311 |
| Base 12 | 3b78bb12 | 3b790612 |
| Base 13 | 28790913 | 28791313 |
| Base 14 | 1ba0a314 | 1ba0aa14 |
| Base 15 | 147b0815 | 147b1015 |
| Base 16 | f134f16 | f135616 |