Compare 21499 vs 21504
| Property | 21499 | 21504 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 12 |
| Prime factorization | 214991 | 210 × 31 × 71 |
| Prime factorization | 21499 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 |
| Divisors count | 2 | 44 |
| Divisors | 1, 21499 | 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1344, 1536, 1792, 2688, 3072, 3584, 5376, 7168, 10752, 21504 |
| Number of properties | 8 | 0 |
| Cousin primes (1st member) | 367th | |
| Harmonic primes | 887th | |
| Isolated primes | 1685th | |
| Lucky primes | 390th | |
| Primes | 2412th | |
| Sexy primes (2nd member) | 733rd | |
| Sexy prime quadrupletss (4th member) | 37th | |
| Sexy prime triplets (3rd member) | 199th | |
| Roman numberals | ||
| Base 2 | 1010011111110112 | 1010100000000002 |
| Base 3 | 10021110213 | 10021111103 |
| Base 4 | 110333234 | 111000004 |
| Base 5 | 11414445 | 11420045 |
| Base 6 | 2433116 | 2433206 |
| Base 7 | 1164527 | 1164607 |
| Base 8 | 517738 | 520008 |
| Base 9 | 324379 | 324439 |
| Base 10 | 2149910 | 2150410 |
| Base 11 | 1517511 | 1517a11 |
| Base 12 | 1053712 | 1054012 |
| Base 13 | 9a2a13 | 9a3213 |
| Base 14 | 7b9914 | 7ba014 |
| Base 15 | 658415 | 658915 |
| Base 16 | 53fb16 | 540016 |