Compare 28121 vs 28123
Property | 28121 | 28123 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 611 × 4611 | 281231 |
Prime factorization | 61 × 461 | 28123 |
Divisors count | 4 | 2 |
Divisors | 1, 61, 461, 28121 | 1, 28123 |
Number of properties | 1 | 4 |
Happy primes | 495th | |
Isolated primes | 2174th | |
Lucky primes | 479th | |
Primes | 3069th | |
Semiprimes | 7010th | |
Roman numberals | ||
Base 2 | 1101101110110012 | 1101101110110112 |
Base 3 | 11021201123 | 11021201213 |
Base 4 | 123131214 | 123131234 |
Base 5 | 13444415 | 13444435 |
Base 6 | 3341056 | 3341116 |
Base 7 | 1446627 | 1446647 |
Base 8 | 667318 | 667338 |
Base 9 | 425159 | 425179 |
Base 10 | 2812110 | 2812310 |
Base 11 | 1a14511 | 1a14711 |
Base 12 | 1433512 | 1433712 |
Base 13 | ca5213 | ca5413 |
Base 14 | a36914 | a36b14 |
Base 15 | 84eb15 | 84ed15 |
Base 16 | 6dd916 | 6ddb16 |