Compare 20 vs 61
Property | 20 | 61 |
---|---|---|
Type | composite number | prime |
Unique factors | 2 | 1 |
Total factors | 3 | 1 |
Prime factorization | 22 × 51 | 611 |
Prime factorization | 2 × 2 × 5 | 61 |
Divisors count | 6 | 2 |
Divisors | 1, 2, 4, 5, 10, 20 | 1, 61 |
Number of properties | 0 | 12 |
Additive primes | 11th | |
Centered decagonal primes | 3rd | |
Centered square primes | 4th | |
Cuban primes 1 | 4th | |
Long primes | 8th | |
Primes | 18th | |
Pythagorean primes | 8th | |
Sexy primes (1st member) | 12th | |
Sexy prime quadrupletss (1st member) | 4th | |
Sexy prime triplets (1st member) | 8th | |
Solinas primes | 15th | |
Twin primes (2nd member) | 7th | |
Roman numberals | XX | LXI |
Base 2 | 101002 | 1111012 |
Base 3 | 2023 | 20213 |
Base 4 | 1104 | 3314 |
Base 5 | 405 | 2215 |
Base 6 | 326 | 1416 |
Base 7 | 267 | 1157 |
Base 8 | 248 | 758 |
Base 9 | 229 | 679 |
Base 10 | 2010 | 6110 |
Base 11 | 1911 | 5611 |
Base 12 | 1812 | 5112 |
Base 13 | 1713 | 4913 |
Base 14 | 1614 | 4514 |
Base 15 | 1515 | 4115 |
Base 16 | 1416 | 3d16 |