Compare 1927 vs 1931
| Property | 1927 | 1931 | 
|---|---|---|
| Type | semiprime | prime | 
| Unique factors | 2 | 1 | 
| Total factors | 2 | 1 | 
| Prime factorization | 411 × 471 | 19311 | 
| Prime factorization | 41 × 47 | 1931 | 
| Divisors count | 4 | 2 | 
| Divisors | 1, 41, 47, 1927 | 1, 1931 | 
| Number of properties | 1 | 5 | 
| Chen primes | 182nd | |
| Harmonic primes | 108th | |
| Primes | 294th | |
| Semiprimes | 554th | |
| Sophie germain primes | 59th | |
| Twin primes (1st member) | 59th | |
| Roman numberals | MCMXXVII | MCMXXXI | 
| Base 2 | 111100001112 | 111100010112 | 
| Base 3 | 21221013 | 21221123 | 
| Base 4 | 1320134 | 1320234 | 
| Base 5 | 302025 | 302115 | 
| Base 6 | 125316 | 125356 | 
| Base 7 | 54227 | 54267 | 
| Base 8 | 36078 | 36138 | 
| Base 9 | 25719 | 25759 | 
| Base 10 | 192710 | 193110 | 
| Base 11 | 14a211 | 14a611 | 
| Base 12 | 114712 | 114b12 | 
| Base 13 | b5313 | b5713 | 
| Base 14 | 9b914 | 9bd14 | 
| Base 15 | 88715 | 88b15 | 
| Base 16 | 78716 | 78b16 |