Compare 191820 vs 191831
| Property | 191820 | 191831 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 22 × 31 × 51 × 231 × 1391 | 1918311 |
| Prime factorization | 2 × 2 × 3 × 5 × 23 × 139 | 191831 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 230, 276, 278, 345, 417, 460, 556, 690, 695, 834, 1380, 1390, 1668, 2085, 2780, 3197, 4170, 6394, 8340, 9591, 12788, 15985, 19182, 31970, 38364, 47955, 63940, 95910, 191820 | 1, 191831 |
| Number of properties | 0 | 9 |
| Additive primes | 6999th | |
| Chen primes | 7281st | |
| Cousin primes (2nd member) | 2053rd | |
| Emirps | 4045th | |
| Primes | 17315th | |
| Prime triplets (1st member) | 807th | |
| Prime triplets (2nd member) | 806th | |
| Sexy primes (1st member) | 4143rd | |
| Twin primes (1st member) | 2093rd | |
| Roman numberals | ||
| Base 2 | 1011101101010011002 | 1011101101010101112 |
| Base 3 | 1002020101103 | 1002020102123 |
| Base 4 | 2323110304 | 2323111134 |
| Base 5 | 221142405 | 221143115 |
| Base 6 | 40400206 | 40400356 |
| Base 7 | 14261467 | 14261637 |
| Base 8 | 5665148 | 5665278 |
| Base 9 | 3221139 | 3221259 |
| Base 10 | 19182010 | 19183110 |
| Base 11 | 12113211 | 12114211 |
| Base 12 | 9301012 | 9301b12 |
| Base 13 | 6940513 | 6941313 |
| Base 14 | 4dc9614 | 4dca314 |
| Base 15 | 3bc8015 | 3bc8b15 |
| Base 16 | 2ed4c16 | 2ed5716 |