Compare 3 vs 27
| Property | 3 | 27 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 3 | 
| Prime factorization | 31 | 33 | 
| Prime factorization | 3 | 3 × 3 × 3 | 
| Divisors count | 2 | 4 | 
| Divisors | 1, 3 | 1, 3, 9, 27 | 
| Number of properties | 29 | 0 | 
| 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 | |
| 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 | XXVII | 
| Base 2 | 112 | 110112 | 
| Base 3 | 103 | 10003 | 
| Base 4 | 34 | 1234 | 
| Base 5 | 35 | 1025 | 
| Base 6 | 36 | 436 | 
| Base 7 | 37 | 367 | 
| Base 8 | 38 | 338 | 
| Base 9 | 39 | 309 | 
| Base 10 | 310 | 2710 | 
| Base 11 | 311 | 2511 | 
| Base 12 | 312 | 2312 | 
| Base 13 | 313 | 2113 | 
| Base 14 | 314 | 1d14 | 
| Base 15 | 315 | 1c15 | 
| Base 16 | 316 | 1b16 |