Compare 1915 vs 1922
| Property | 1915 | 1922 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 3831 | 21 × 312 |
| Prime factorization | 5 × 383 | 2 × 31 × 31 |
| Divisors count | 4 | 6 |
| Divisors | 1, 5, 383, 1915 | 1, 2, 31, 62, 961, 1922 |
| Number of properties | 1 | 0 |
| Semiprimes | 550th | |
| Roman numberals | MCMXV | MCMXXII |
| Base 2 | 111011110112 | 111100000102 |
| Base 3 | 21212213 | 21220123 |
| Base 4 | 1313234 | 1320024 |
| Base 5 | 301305 | 301425 |
| Base 6 | 125116 | 125226 |
| Base 7 | 54047 | 54147 |
| Base 8 | 35738 | 36028 |
| Base 9 | 25579 | 25659 |
| Base 10 | 191510 | 192210 |
| Base 11 | 149111 | 149811 |
| Base 12 | 113712 | 114212 |
| Base 13 | b4413 | b4b13 |
| Base 14 | 9ab14 | 9b414 |
| Base 15 | 87a15 | 88215 |
| Base 16 | 77b16 | 78216 |