Compare 1919 vs 1937
| Property | 1919 | 1937 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 191 × 1011 | 131 × 1491 |
| Prime factorization | 19 × 101 | 13 × 149 |
| Divisors count | 4 | 4 |
| Divisors | 1, 19, 101, 1919 | 1, 13, 149, 1937 |
| Number of properties | 1 | 1 |
| Semiprimes | 551st | 557th |
| Roman numberals | MCMXIX | MCMXXXVII |
| Base 2 | 111011111112 | 111100100012 |
| Base 3 | 21220023 | 21222023 |
| Base 4 | 1313334 | 1321014 |
| Base 5 | 301345 | 302225 |
| Base 6 | 125156 | 125456 |
| Base 7 | 54117 | 54357 |
| Base 8 | 35778 | 36218 |
| Base 9 | 25629 | 25829 |
| Base 10 | 191910 | 193710 |
| Base 11 | 149511 | 150111 |
| Base 12 | 113b12 | 115512 |
| Base 13 | b4813 | b6013 |
| Base 14 | 9b114 | 9c514 |
| Base 15 | 87e15 | 89215 |
| Base 16 | 77f16 | 79116 |