Compare 991947 vs 991957
| Property | 991947 | 991957 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 300591 | 9919571 |
| Prime factorization | 3 × 11 × 30059 | 991957 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 30059, 90177, 330649, 991947 | 1, 991957 |
| Number of properties | 0 | 5 |
| Chen primes | 29748th | |
| Cousin primes (1st member) | 8098th | |
| Isolated primes | 61698th | |
| Primes | 77921st | |
| Sexy primes (2nd member) | 16278th | |
| Roman numberals | ||
| Base 2 | 111100100010110010112 | 111100100010110101012 |
| Base 3 | 12121012002103 | 12121012010113 |
| Base 4 | 33020230234 | 33020231114 |
| Base 5 | 2232202425 | 2232203125 |
| Base 6 | 331322036 | 331322216 |
| Base 7 | 113006557 | 113010017 |
| Base 8 | 36213138 | 36213258 |
| Base 9 | 17716239 | 17716349 |
| Base 10 | 99194710 | 99195710 |
| Base 11 | 6182a011 | 6182aa11 |
| Base 12 | 3ba06312 | 3ba07112 |
| Base 13 | 28966813 | 28967513 |
| Base 14 | 1bb6d514 | 1bb70114 |
| Base 15 | 148d9c15 | 148da715 |
| Base 16 | f22cb16 | f22d516 |