Compare 20551 vs 20556
| Property | 20551 | 20556 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 205511 | 22 × 32 × 5711 |
| Prime factorization | 20551 | 2 × 2 × 3 × 3 × 571 |
| Divisors count | 2 | 18 |
| Divisors | 1, 20551 | 1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1142, 1713, 2284, 3426, 5139, 6852, 10278, 20556 |
| Number of properties | 4 | 0 |
| Additive primes | 1077th | |
| Lucky primes | 376th | |
| Primes | 2320th | |
| Twin primes (2nd member) | 350th | |
| Roman numberals | ||
| Base 2 | 1010000010001112 | 1010000010011002 |
| Base 3 | 10010120113 | 10010121003 |
| Base 4 | 110010134 | 110010304 |
| Base 5 | 11242015 | 11242115 |
| Base 6 | 2350516 | 2351006 |
| Base 7 | 1136267 | 1136347 |
| Base 8 | 501078 | 501148 |
| Base 9 | 311649 | 311709 |
| Base 10 | 2055110 | 2055610 |
| Base 11 | 1449311 | 1449811 |
| Base 12 | ba8712 | ba9012 |
| Base 13 | 947b13 | 948313 |
| Base 14 | 76bd14 | 76c414 |
| Base 15 | 615115 | 615615 |
| Base 16 | 504716 | 504c16 |