Compare 21721 vs 21728
| Property | 21721 | 21728 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 7 |
| Prime factorization | 71 × 291 × 1071 | 25 × 71 × 971 |
| Prime factorization | 7 × 29 × 107 | 2 × 2 × 2 × 2 × 2 × 7 × 97 |
| Divisors count | 8 | 24 |
| Divisors | 1, 7, 29, 107, 203, 749, 3103, 21721 | 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 5432, 10864, 21728 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010100110110012 | 1010100111000002 |
| Base 3 | 10022101113 | 10022102023 |
| Base 4 | 111031214 | 111032004 |
| Base 5 | 11433415 | 11434035 |
| Base 6 | 2443216 | 2443326 |
| Base 7 | 1202207 | 1202307 |
| Base 8 | 523318 | 523408 |
| Base 9 | 327149 | 327229 |
| Base 10 | 2172110 | 2172810 |
| Base 11 | 1535711 | 1536311 |
| Base 12 | 106a112 | 106a812 |
| Base 13 | 9b6b13 | 9b7513 |
| Base 14 | 7cb714 | 7cc014 |
| Base 15 | 668115 | 668815 |
| Base 16 | 54d916 | 54e016 |