Compare 12816 vs 12821
| Property | 12816 | 12821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 32 × 891 | 128211 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 × 89 | 12821 |
| Divisors count | 30 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408, 12816 | 1, 12821 |
| Number of properties | 0 | 8 |
| Chen primes | 776th | |
| Harmonic primes | 547th | |
| Long primes | 594th | |
| Palindromic primes | 28th | |
| Primes | 1528th | |
| Pythagorean primes | 757th | |
| Sophie germain primes | 232nd | |
| Twin primes (1st member) | 245th | |
| Roman numberals | ||
| Base 2 | 110010000100002 | 110010000101012 |
| Base 3 | 1221202003 | 1221202123 |
| Base 4 | 30201004 | 30201114 |
| Base 5 | 4022315 | 4022415 |
| Base 6 | 1352006 | 1352056 |
| Base 7 | 522367 | 522447 |
| Base 8 | 310208 | 310258 |
| Base 9 | 185209 | 185259 |
| Base 10 | 1281610 | 1282110 |
| Base 11 | 96a111 | 96a611 |
| Base 12 | 750012 | 750512 |
| Base 13 | 5aab13 | 5ab313 |
| Base 14 | 495614 | 495b14 |
| Base 15 | 3be615 | 3beb15 |
| Base 16 | 321016 | 321516 |