Compare 3 vs 9
Property | 3 | 9 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 1 |
Total factors | 1 | 2 |
Prime factorization | 31 | 32 |
Prime factorization | 3 | 3 × 3 |
Divisors count | 2 | 3 |
Divisors | 1, 3 | 1, 3, 9 |
Number of properties | 29 | 1 |
Additive primes | 2nd | |
Chen primes | 2nd | |
Class 1+ primes | 2nd | |
Cousin primes (1st member) | 1st | |
Cullen primes | 1st | |
Euclid primes | 2nd | |
Factorial primes | 2nd | |
Fermat primes | 1st | |
Fibonacci primes | 2nd | |
Left-truncatable primes | 2nd | |
Leyland primes | 1st | |
Lucas primes | 2nd | |
Lucky primes | 1st | |
Mersenne primes | 1st | |
Multiplicative primes | 2nd | |
Palindromic primes | 2nd | |
Pierpont primes | 2nd | |
Pierpont primes of the 2nd kind | 2nd | |
Primes | 2nd | |
Proth primes | 1st | |
Right-truncatable primes | 2nd | |
Semiprimes | 3rd | |
Solinas primes | 1st | |
Sophie germain primes | 2nd | |
Super primes | 1st | |
Twin primes (1st member) | 1st | |
Two-sided primes | 2nd | |
Ulam primes | 2nd | |
Wagstaff primes | 1st | |
Wedderburn-etherington primes | 2nd | |
Roman numberals | III | IX |
Base 2 | 112 | 10012 |
Base 3 | 103 | 1003 |
Base 4 | 34 | 214 |
Base 5 | 35 | 145 |
Base 6 | 36 | 136 |
Base 7 | 37 | 127 |
Base 8 | 38 | 118 |
Base 9 | 39 | 109 |
Base 10 | 310 | 910 |
Base 11 | 311 | 911 |
Base 12 | 312 | 912 |
Base 13 | 313 | 913 |
Base 14 | 314 | 914 |
Base 15 | 315 | 915 |
Base 16 | 316 | 916 |