Compare 991029 vs 991031
| Property | 991029 | 991031 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 131 × 254111 | 9910311 |
| Prime factorization | 3 × 13 × 25411 | 991031 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 13, 39, 25411, 76233, 330343, 991029 | 1, 991031 |
| Number of properties | 0 | 8 |
| Additive primes | 29875th | |
| Chen primes | 29727th | |
| Cousin primes (2nd member) | 8093rd | |
| Emirps | 10969th | |
| Isolated primes | 61636th | |
| Primes | 77851st | |
| Sexy primes (1st member) | 16262nd | |
| Sexy prime triplets (1st member) | 2882nd | |
| Roman numberals | ||
| Base 2 | 111100011111001101012 | 111100011111001101112 |
| Base 3 | 12121001022103 | 12121001022123 |
| Base 4 | 33013303114 | 33013303134 |
| Base 5 | 2232031045 | 2232031115 |
| Base 6 | 331240336 | 331240356 |
| Base 7 | 112652047 | 112652067 |
| Base 8 | 36174658 | 36174678 |
| Base 9 | 17703839 | 17703859 |
| Base 10 | 99102910 | 99103110 |
| Base 11 | 61763611 | 61763811 |
| Base 12 | 3b961912 | 3b961b12 |
| Base 13 | 28911013 | 28911213 |
| Base 14 | 1bb23b14 | 1bb23d14 |
| Base 15 | 14898915 | 14898b15 |
| Base 16 | f1f3516 | f1f3716 |