Compare 21 vs 26
Property | 21 | 26 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 31 × 71 | 21 × 131 |
Prime factorization | 3 × 7 | 2 × 13 |
Divisors count | 4 | 4 |
Divisors | 1, 3, 7, 21 | 1, 2, 13, 26 |
Number of properties | 1 | 1 |
Semiprimes | 7th | 10th |
Roman numberals | XXI | XXVI |
Base 2 | 101012 | 110102 |
Base 3 | 2103 | 2223 |
Base 4 | 1114 | 1224 |
Base 5 | 415 | 1015 |
Base 6 | 336 | 426 |
Base 7 | 307 | 357 |
Base 8 | 258 | 328 |
Base 9 | 239 | 289 |
Base 10 | 2110 | 2610 |
Base 11 | 1a11 | 2411 |
Base 12 | 1912 | 2212 |
Base 13 | 1813 | 2013 |
Base 14 | 1714 | 1c14 |
Base 15 | 1615 | 1b15 |
Base 16 | 1516 | 1a16 |