Compare 21387 vs 21415
| Property | 21387 | 21415 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 71291 | 51 × 42831 |
| Prime factorization | 3 × 7129 | 5 × 4283 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7129, 21387 | 1, 5, 4283, 21415 |
| Number of properties | 1 | 1 |
| Semiprimes | 5419th | 5423rd |
| Roman numberals | ||
| Base 2 | 1010011100010112 | 1010011101001112 |
| Base 3 | 10021000103 | 10021010113 |
| Base 4 | 110320234 | 110322134 |
| Base 5 | 11410225 | 11411305 |
| Base 6 | 2430036 | 2430516 |
| Base 7 | 1162327 | 1163027 |
| Base 8 | 516138 | 516478 |
| Base 9 | 323039 | 323349 |
| Base 10 | 2138710 | 2141510 |
| Base 11 | 1508311 | 150a911 |
| Base 12 | 1046312 | 1048712 |
| Base 13 | 997213 | 999413 |
| Base 14 | 7b1914 | 7b3914 |
| Base 15 | 650c15 | 652a15 |
| Base 16 | 538b16 | 53a716 |