Compare 21168 vs 21169
| Property | 21168 | 21169 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 24 × 33 × 72 | 211691 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 | 21169 |
| Divisors count | 60 | 2 |
| Divisors | 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 5292, 7056, 10584, 21168 | 1, 21169 |
| Number of properties | 0 | 9 |
| Additive primes | 1106th | |
| Chen primes | 1169th | |
| Cuban primes 2 | 17th | |
| Isolated primes | 1661st | |
| Lucky primes | 386th | |
| Primes | 2380th | |
| Pythagorean primes | 1182nd | |
| Sexy primes (2nd member) | 721st | |
| Sexy prime triplets (3rd member) | 197th | |
| Roman numberals | ||
| Base 2 | 1010010101100002 | 1010010101100012 |
| Base 3 | 10020010003 | 10020010013 |
| Base 4 | 110223004 | 110223014 |
| Base 5 | 11341335 | 11341345 |
| Base 6 | 2420006 | 2420016 |
| Base 7 | 1155007 | 1155017 |
| Base 8 | 512608 | 512618 |
| Base 9 | 320309 | 320319 |
| Base 10 | 2116810 | 2116910 |
| Base 11 | 149a411 | 149a511 |
| Base 12 | 1030012 | 1030112 |
| Base 13 | 983413 | 983513 |
| Base 14 | 7a0014 | 7a0114 |
| Base 15 | 641315 | 641415 |
| Base 16 | 52b016 | 52b116 |