Compare 21971 vs 21999
| Property | 21971 | 21999 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1271 × 1731 | 31 × 73331 |
| Prime factorization | 127 × 173 | 3 × 7333 |
| Divisors count | 4 | 4 |
| Divisors | 1, 127, 173, 21971 | 1, 3, 7333, 21999 |
| Number of properties | 1 | 1 |
| Semiprimes | 5547th | 5554th |
| Roman numberals | ||
| Base 2 | 1010101110100112 | 1010101111011112 |
| Base 3 | 10100102023 | 10100112103 |
| Base 4 | 111131034 | 111132334 |
| Base 5 | 12003415 | 12004445 |
| Base 6 | 2454156 | 2455036 |
| Base 7 | 1210257 | 1210657 |
| Base 8 | 527238 | 527578 |
| Base 9 | 331229 | 331539 |
| Base 10 | 2197110 | 2199910 |
| Base 11 | 1556411 | 1558a11 |
| Base 12 | 1086b12 | 1089312 |
| Base 13 | a00113 | a02313 |
| Base 14 | 801514 | 803514 |
| Base 15 | 679b15 | 67b915 |
| Base 16 | 55d316 | 55ef16 |