Compare 28 vs 43
Property | 28 | 43 |
---|---|---|
Type | composite number | prime |
Unique factors | 2 | 1 |
Total factors | 3 | 1 |
Prime factorization | 22 × 71 | 431 |
Prime factorization | 2 × 2 × 7 | 43 |
Divisors count | 6 | 2 |
Divisors | 1, 2, 4, 7, 14, 28 | 1, 43 |
Number of properties | 0 | 12 |
Additive primes | 9th | |
Centered heptagonal primes | 1st | |
Cousin primes (1st member) | 6th | |
Left-truncatable primes | 9th | |
Lucky primes | 6th | |
Primes | 14th | |
Prime triplets (2nd member) | 7th | |
Prime triplets (3rd member) | 6th | |
Sexy primes (2nd member) | 8th | |
Sexy prime triplets (3rd member) | 5th | |
Twin primes (2nd member) | 6th | |
Wagstaff primes | 3rd | |
Roman numberals | XXVIII | XLIII |
Base 2 | 111002 | 1010112 |
Base 3 | 10013 | 11213 |
Base 4 | 1304 | 2234 |
Base 5 | 1035 | 1335 |
Base 6 | 446 | 1116 |
Base 7 | 407 | 617 |
Base 8 | 348 | 538 |
Base 9 | 319 | 479 |
Base 10 | 2810 | 4310 |
Base 11 | 2611 | 3a11 |
Base 12 | 2412 | 3712 |
Base 13 | 2213 | 3413 |
Base 14 | 2014 | 3114 |
Base 15 | 1d15 | 2d15 |
Base 16 | 1c16 | 2b16 |