Compare 16215 vs 16221
| Property | 16215 | 16221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 231 × 471 | 31 × 54071 |
| Prime factorization | 3 × 5 × 23 × 47 | 3 × 5407 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215 | 1, 3, 5407, 16221 |
| Number of properties | 0 | 1 |
| Semiprimes | 4148th | |
| Roman numberals | ||
| Base 2 | 111111010101112 | 111111010111012 |
| Base 3 | 2110201203 | 2110202103 |
| Base 4 | 33311134 | 33311314 |
| Base 5 | 10043305 | 10043415 |
| Base 6 | 2030236 | 2030336 |
| Base 7 | 651637 | 652027 |
| Base 8 | 375278 | 375358 |
| Base 9 | 242169 | 242239 |
| Base 10 | 1621510 | 1622110 |
| Base 11 | 1120111 | 1120711 |
| Base 12 | 947312 | 947912 |
| Base 13 | 74c413 | 74ca13 |
| Base 14 | 5ca314 | 5ca914 |
| Base 15 | 4c1015 | 4c1615 |
| Base 16 | 3f5716 | 3f5d16 |