Compare 19 vs 49
Property | 19 | 49 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 1 |
Total factors | 1 | 2 |
Prime factorization | 191 | 72 |
Prime factorization | 19 | 7 × 7 |
Divisors count | 2 | 3 |
Divisors | 1, 19 | 1, 7, 49 |
Number of properties | 18 | 1 |
Centered triangular primes | 1st | |
Chen primes | 8th | |
Cousin primes (1st member) | 4th | |
Cuban primes 1 | 2nd | |
Happy primes | 3rd | |
Long primes | 3rd | |
Pierpont primes | 7th | |
Primes | 8th | |
Prime quadruplets (4th member) | 2nd | |
Prime quintuplet 1s (5th member) | 1st | |
Prime quintuplet 2s (4th member) | 2nd | |
Prime sextuplets (5th member) | 1st | |
Prime triplets (2nd member) | 5th | |
Prime triplets (3rd member) | 4th | |
Semiprimes | 17th | |
Sexy primes (2nd member) | 4th | |
Sexy prime triplets (3rd member) | 2nd | |
Solinas primes | 7th | |
Twin primes (2nd member) | 4th | |
Roman numberals | XIX | XLIX |
Base 2 | 100112 | 1100012 |
Base 3 | 2013 | 12113 |
Base 4 | 1034 | 3014 |
Base 5 | 345 | 1445 |
Base 6 | 316 | 1216 |
Base 7 | 257 | 1007 |
Base 8 | 238 | 618 |
Base 9 | 219 | 549 |
Base 10 | 1910 | 4910 |
Base 11 | 1811 | 4511 |
Base 12 | 1712 | 4112 |
Base 13 | 1613 | 3a13 |
Base 14 | 1514 | 3714 |
Base 15 | 1415 | 3415 |
Base 16 | 1316 | 3116 |