Compare 1912 vs 1921
| Property | 1912 | 1921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 2391 | 171 × 1131 |
| Prime factorization | 2 × 2 × 2 × 239 | 17 × 113 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 8, 239, 478, 956, 1912 | 1, 17, 113, 1921 |
| Number of properties | 0 | 1 |
| Semiprimes | 552nd | |
| Roman numberals | MCMXII | MCMXXI |
| Base 2 | 111011110002 | 111100000012 |
| Base 3 | 21212113 | 21220113 |
| Base 4 | 1313204 | 1320014 |
| Base 5 | 301225 | 301415 |
| Base 6 | 125046 | 125216 |
| Base 7 | 54017 | 54137 |
| Base 8 | 35708 | 36018 |
| Base 9 | 25549 | 25649 |
| Base 10 | 191210 | 192110 |
| Base 11 | 148911 | 149711 |
| Base 12 | 113412 | 114112 |
| Base 13 | b4113 | b4a13 |
| Base 14 | 9a814 | 9b314 |
| Base 15 | 87715 | 88115 |
| Base 16 | 77816 | 78116 |