Compare 218080 vs 218081
| Property | 218080 | 218081 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 25 × 51 × 291 × 471 | 2180811 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 29 × 47 | 218081 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 80, 94, 116, 145, 160, 188, 232, 235, 290, 376, 464, 470, 580, 752, 928, 940, 1160, 1363, 1504, 1880, 2320, 2726, 3760, 4640, 5452, 6815, 7520, 10904, 13630, 21808, 27260, 43616, 54520, 109040, 218080 | 1, 218081 |
| Number of properties | 0 | 10 |
| Chen primes | 8111th | |
| Cousin primes (2nd member) | 2295th | |
| Good primes | 1075th | |
| Harmonic primes | 7296th | |
| Primes | 19449th | |
| Prime triplets (1st member) | 898th | |
| Prime triplets (2nd member) | 897th | |
| Pythagorean primes | 9706th | |
| Sexy primes (1st member) | 4600th | |
| Twin primes (1st member) | 2313th | |
| Roman numberals | ||
| Base 2 | 1101010011111000002 | 1101010011111000012 |
| Base 3 | 1020020110013 | 1020020110023 |
| Base 4 | 3110332004 | 3110332014 |
| Base 5 | 234343105 | 234343115 |
| Base 6 | 44013446 | 44013456 |
| Base 7 | 15655427 | 15655437 |
| Base 8 | 6517408 | 6517418 |
| Base 9 | 3621319 | 3621329 |
| Base 10 | 21808010 | 21808110 |
| Base 11 | 13993511 | 13993611 |
| Base 12 | a625412 | a625512 |
| Base 13 | 7835513 | 7835613 |
| Base 14 | 5969214 | 5969314 |
| Base 15 | 4493a15 | 4493b15 |
| Base 16 | 353e016 | 353e116 |