Compare 1912 vs 1919
| Property | 1912 | 1919 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 2 | 2 | 
| Total factors | 4 | 2 | 
| Prime factorization | 23 × 2391 | 191 × 1011 | 
| Prime factorization | 2 × 2 × 2 × 239 | 19 × 101 | 
| Divisors count | 8 | 4 | 
| Divisors | 1, 2, 4, 8, 239, 478, 956, 1912 | 1, 19, 101, 1919 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 551st | |
| Roman numberals | MCMXII | MCMXIX | 
| Base 2 | 111011110002 | 111011111112 | 
| Base 3 | 21212113 | 21220023 | 
| Base 4 | 1313204 | 1313334 | 
| Base 5 | 301225 | 301345 | 
| Base 6 | 125046 | 125156 | 
| Base 7 | 54017 | 54117 | 
| Base 8 | 35708 | 35778 | 
| Base 9 | 25549 | 25629 | 
| Base 10 | 191210 | 191910 | 
| Base 11 | 148911 | 149511 | 
| Base 12 | 113412 | 113b12 | 
| Base 13 | b4113 | b4813 | 
| Base 14 | 9a814 | 9b114 | 
| Base 15 | 87715 | 87e15 | 
| Base 16 | 77816 | 77f16 |