Compare 1930 vs 1931
Property | 1930 | 1931 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 21 × 51 × 1931 | 19311 |
Prime factorization | 2 × 5 × 193 | 1931 |
Divisors count | 8 | 2 |
Divisors | 1, 2, 5, 10, 193, 386, 965, 1930 | 1, 1931 |
Number of properties | 0 | 5 |
Chen primes | 182nd | |
Harmonic primes | 108th | |
Primes | 294th | |
Sophie germain primes | 59th | |
Twin primes (1st member) | 59th | |
Roman numberals | MCMXXX | MCMXXXI |
Base 2 | 111100010102 | 111100010112 |
Base 3 | 21221113 | 21221123 |
Base 4 | 1320224 | 1320234 |
Base 5 | 302105 | 302115 |
Base 6 | 125346 | 125356 |
Base 7 | 54257 | 54267 |
Base 8 | 36128 | 36138 |
Base 9 | 25749 | 25759 |
Base 10 | 193010 | 193110 |
Base 11 | 14a511 | 14a611 |
Base 12 | 114a12 | 114b12 |
Base 13 | b5613 | b5713 |
Base 14 | 9bc14 | 9bd14 |
Base 15 | 88a15 | 88b15 |
Base 16 | 78a16 | 78b16 |