Compare 21381 vs 21418
| Property | 21381 | 21418 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 71271 | 21 × 107091 |
| Prime factorization | 3 × 7127 | 2 × 10709 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7127, 21381 | 1, 2, 10709, 21418 |
| Number of properties | 1 | 1 |
| Semiprimes | 5417th | 5424th |
| Roman numberals | ||
| Base 2 | 1010011100001012 | 1010011101010102 |
| Base 3 | 10020222203 | 10021010213 |
| Base 4 | 110320114 | 110322224 |
| Base 5 | 11410115 | 11411335 |
| Base 6 | 2425536 | 2430546 |
| Base 7 | 1162237 | 1163057 |
| Base 8 | 516058 | 516528 |
| Base 9 | 322869 | 323379 |
| Base 10 | 2138110 | 2141810 |
| Base 11 | 1507811 | 1510111 |
| Base 12 | 1045912 | 1048a12 |
| Base 13 | 996913 | 999713 |
| Base 14 | 7b1314 | 7b3c14 |
| Base 15 | 650615 | 652d15 |
| Base 16 | 538516 | 53aa16 |