Compare 20147 vs 20155
| Property | 20147 | 20155 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 201471 | 51 × 291 × 1391 |
| Prime factorization | 20147 | 5 × 29 × 139 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20147 | 1, 5, 29, 139, 145, 695, 4031, 20155 |
| Number of properties | 7 | 0 |
| Chen primes | 1120th | |
| Cousin primes (2nd member) | 347th | |
| Happy primes | 379th | |
| Harmonic primes | 827th | |
| Primes | 2279th | |
| Prime triplets (2nd member) | 169th | |
| Twin primes (1st member) | 344th | |
| Roman numberals | ||
| Base 2 | 1001110101100112 | 1001110101110112 |
| Base 3 | 10001220123 | 10001221113 |
| Base 4 | 103223034 | 103223234 |
| Base 5 | 11210425 | 11211105 |
| Base 6 | 2331356 | 2331516 |
| Base 7 | 1125117 | 1125227 |
| Base 8 | 472638 | 472738 |
| Base 9 | 305659 | 305749 |
| Base 10 | 2014710 | 2015510 |
| Base 11 | 1415611 | 1416311 |
| Base 12 | b7ab12 | b7b712 |
| Base 13 | 922a13 | 923513 |
| Base 14 | 74b114 | 74b914 |
| Base 15 | 5e8215 | 5e8a15 |
| Base 16 | 4eb316 | 4ebb16 |