1,661,571
32 × 353 × 523
Deficient
Odd
Composite
1,661,571 factors as 3^2 × 353 × 523. Its 12 positive divisors give a proper-divisor sum of 749,877, so this integer is deficient. The Collatz stopping time is 57 steps.
Prime Factor Structure
Factorization String
3^2 × 353 × 523
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
2,411,448
Proper Divisor Sum
749,877
Digit Sum / Digital Root
27 (Root: 9)
Radix Representation
| Decimal | 1661571 |
| Binary | 110010101101010000011 (21 bits) |
| Octal | 0o6255203 |
| Hexadecimal | 0x195A83 |
Divisor Catalog (12)
Collatz Trajectory (57 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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