Compare 820 vs 823
Property | 820 | 823 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 4 | 1 |
Prime factorization | 22 × 51 × 411 | 8231 |
Prime factorization | 2 × 2 × 5 × 41 | 823 |
Divisors count | 12 | 2 |
Divisors | 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820 | 1, 823 |
Number of properties | 0 | 11 |
Additive primes | 76th | |
Cousin primes (1st member) | 34th | |
Left-truncatable primes | 46th | |
Long primes | 51st | |
Lucky primes | 39th | |
Primes | 143rd | |
Prime quadruplets (2nd member) | 5th | |
Prime triplets (1st member) | 26th | |
Prime triplets (2nd member) | 25th | |
Sexy primes (1st member) | 65th | |
Twin primes (2nd member) | 32nd | |
Roman numberals | DCCCXX | DCCCXXIII |
Base 2 | 11001101002 | 11001101112 |
Base 3 | 10101013 | 10101113 |
Base 4 | 303104 | 303134 |
Base 5 | 112405 | 112435 |
Base 6 | 34446 | 34516 |
Base 7 | 22517 | 22547 |
Base 8 | 14648 | 14678 |
Base 9 | 11119 | 11149 |
Base 10 | 82010 | 82310 |
Base 11 | 68611 | 68911 |
Base 12 | 58412 | 58712 |
Base 13 | 4b113 | 4b413 |
Base 14 | 42814 | 42b14 |
Base 15 | 39a15 | 39d15 |
Base 16 | 33416 | 33716 |