128,642
2 × 131 × 491
Deficient
Even
Composite
Prime Factor Structure
Factorization String
2 × 131 × 491
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
194,832
Proper Divisor Sum
66,190
Digit Sum / Digital Root
23 (Root: 5)
Radix Representation
| Decimal | 128642 |
| Binary | 11111011010000010 (17 bits) |
| Octal | 0o373202 |
| Hexadecimal | 0x1F682 |
Divisor Catalog (8)
Collatz Trajectory (30 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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