Compare 21481 vs 22147
| Property | 21481 | 22147 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 214811 | 221471 |
| Prime factorization | 21481 | 22147 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21481 | 1, 22147 |
| Number of properties | 9 | 5 |
| Good primes | 270th | |
| Happy primes | 400th | |
| Harmonic primes | 883rd | |
| Isolated primes | 1683rd | 1734th |
| Lucky primes | 400th | |
| Primes | 2408th | 2483rd |
| Pythagorean primes | 1194th | |
| Sexy primes (1st member) | 731st | 748th |
| Sexy prime quadrupletss (1st member) | 37th | |
| Sexy prime triplets (1st member) | 198th | 204th |
| Roman numberals | ||
| Base 2 | 1010011111010012 | 1010110100000112 |
| Base 3 | 10021101213 | 10101010213 |
| Base 4 | 110332214 | 111220034 |
| Base 5 | 11414115 | 12020425 |
| Base 6 | 2432416 | 2503116 |
| Base 7 | 1164257 | 1213667 |
| Base 8 | 517518 | 532038 |
| Base 9 | 324179 | 333379 |
| Base 10 | 2148110 | 2214710 |
| Base 11 | 1515911 | 1570411 |
| Base 12 | 1052112 | 1099712 |
| Base 13 | 9a1513 | a10813 |
| Base 14 | 7b8514 | 80dd14 |
| Base 15 | 657115 | 686715 |
| Base 16 | 53e916 | 568316 |