42,757
11 × 132 × 23
Deficient
Odd
Composite
42,757 has digital root 7. The neighboring primes are 42751 and 42767; its proper-divisor sum differs from the starting integer by -32,810.
Prime Factor Structure
Factorization String
11 × 13^2 × 23
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
52,704
Proper Divisor Sum
9,947
Digit Sum / Digital Root
25 (Root: 7)
Radix Representation
| Decimal | 42757 |
| Binary | 1010011100000101 (16 bits) |
| Octal | 0o123405 |
| Hexadecimal | 0xA705 |
Divisor Catalog (12)
Collatz Trajectory (150 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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