Compare 1921 vs 1924
| Property | 1921 | 1924 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 171 × 1131 | 22 × 131 × 371 |
| Prime factorization | 17 × 113 | 2 × 2 × 13 × 37 |
| Divisors count | 4 | 12 |
| Divisors | 1, 17, 113, 1921 | 1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924 |
| Number of properties | 1 | 0 |
| Semiprimes | 552nd | |
| Roman numberals | MCMXXI | MCMXXIV |
| Base 2 | 111100000012 | 111100001002 |
| Base 3 | 21220113 | 21220213 |
| Base 4 | 1320014 | 1320104 |
| Base 5 | 301415 | 301445 |
| Base 6 | 125216 | 125246 |
| Base 7 | 54137 | 54167 |
| Base 8 | 36018 | 36048 |
| Base 9 | 25649 | 25679 |
| Base 10 | 192110 | 192410 |
| Base 11 | 149711 | 149a11 |
| Base 12 | 114112 | 114412 |
| Base 13 | b4a13 | b5013 |
| Base 14 | 9b314 | 9b614 |
| Base 15 | 88115 | 88415 |
| Base 16 | 78116 | 78416 |