Compare 21472 vs 21481
| Property | 21472 | 21481 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 111 × 611 | 214811 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 11 × 61 | 21481 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 976, 1342, 1952, 2684, 5368, 10736, 21472 | 1, 21481 |
| Number of properties | 0 | 9 |
| Good primes | 270th | |
| Happy primes | 400th | |
| Harmonic primes | 883rd | |
| Isolated primes | 1683rd | |
| Primes | 2408th | |
| Pythagorean primes | 1194th | |
| Sexy primes (1st member) | 731st | |
| Sexy prime quadrupletss (1st member) | 37th | |
| Sexy prime triplets (1st member) | 198th | |
| Roman numberals | ||
| Base 2 | 1010011111000002 | 1010011111010012 |
| Base 3 | 10021100213 | 10021101213 |
| Base 4 | 110332004 | 110332214 |
| Base 5 | 11413425 | 11414115 |
| Base 6 | 2432246 | 2432416 |
| Base 7 | 1164137 | 1164257 |
| Base 8 | 517408 | 517518 |
| Base 9 | 324079 | 324179 |
| Base 10 | 2147210 | 2148110 |
| Base 11 | 1515011 | 1515911 |
| Base 12 | 1051412 | 1052112 |
| Base 13 | 9a0913 | 9a1513 |
| Base 14 | 7b7a14 | 7b8514 |
| Base 15 | 656715 | 657115 |
| Base 16 | 53e016 | 53e916 |