Compare 661430 vs 661439
Property | 661430 | 661439 |
---|---|---|
Type | composite number | prime |
Unique factors | 5 | 1 |
Total factors | 5 | 1 |
Prime factorization | 21 × 51 × 71 × 111 × 8591 | 6614391 |
Prime factorization | 2 × 5 × 7 × 11 × 859 | 661439 |
Divisors count | 32 | 2 |
Divisors | 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 859, 1718, 4295, 6013, 8590, 9449, 12026, 18898, 30065, 47245, 60130, 66143, 94490, 132286, 330715, 661430 | 1, 661439 |
Number of properties | 0 | 5 |
Additive primes | 20957th | |
Isolated primes | 42097th | |
Primes | 53680th | |
Safe primes | 3100th | |
Ulam primes | 3940th | |
Roman numberals | ||
Base 2 | 101000010111101101102 | 101000010111101111112 |
Base 3 | 10201210221023 | 10201210222023 |
Base 4 | 22011323124 | 22011323334 |
Base 5 | 1321312105 | 1321312245 |
Base 6 | 221021026 | 221021156 |
Base 7 | 54232407 | 54232527 |
Base 8 | 24136668 | 24136778 |
Base 9 | 12172729 | 12172829 |
Base 10 | 66143010 | 66143910 |
Base 11 | 411a4011 | 411a4911 |
Base 12 | 27a93212 | 27a93b12 |
Base 13 | 1a20a313 | 1a20ac13 |
Base 14 | 13309014 | 13309914 |
Base 15 | d0ea515 | d0eae15 |
Base 16 | a17b616 | a17bf16 |